tóm tắt luận án nghiên cứu sinh trưởng, sinh sản, cho thịt và một số giải pháp nâng cao năng suất thịt của cừu phan rang

BỘ GIÁO DỤC VÀ ĐÀO TẠO – BỘ NÔNG NGHIỆP VÀ PTNT
VIỆN CHĂN NUÔI

NGHIÊN CỨU SINH TRƯỞNG, SINH SẢN, CHO
THỊT VÀ MỘT SỐ GIẢI PHÁP NÂNG CAO
NĂNG SUẤT THỊT CỦA CỪU PHAN RANG

 
TÓM TẮT LUẬN ÁN TIẾN SĨ NÔNG NGHIỆP

 !
BỘ GIÁO DỤC VÀ ĐÀO TẠO – BỘ NÔNG NGHIỆP VÀ PTNT
VIỆN CHĂN NUÔI

NGHIÊN CỨU SINH TRƯỞNG, SINH SẢN, CHO
THỊT VÀ MỘT SỐ GIẢI PHÁP NÂNG CAO
NĂNG SUẤT THỊT CỦA CỪU PHAN RANG

 
TÓM TẮT LUẬN ÁN TIẾN SĨ NÔNG NGHIỆP

 !

"#$%&'()*+$$,
VIỆN CHĂN NUÔI
Người hướng dẫn khoa học:
1. PGS.TS. Đinh Văn Binh
2. PGS.TS. Nguyễn Kim Đường
Phản biện 1: PGS.TS. Mai Thị Thơm
Phản biện 2: TS. Nguyễn Đình Minh
Phản biện 3: PGS.TS. Nguyễn Bá Mùi

Luận án sẽ được bảo vệ tại hội đồng chấm luận án cấp Viện họp tại:
Viện Chăn nuôi, Từ Liêm, Hà Nội
-./0102234005
CÁC CÔNG TRÌNH ĐÃ CÔNG BỐ CÓ LIÊN QUAN ĐẾN LUẬN ÁN

  !"
#$%&'Khả năng sinh trưởng và phát triển của cừu Phan Rang nuôi tại Ba Vì và Ninh Thuận. $67
89:.;<8=3>;?34@A53B345CC!?!2

%

!"#$%&' Ảnh hưởng của một số yếu tố
đến khả năng sinh sản của cừu Phan Rang nuôi tại Ninh Thuận và Ba Vì. Tạp chí::.;<8=
3>;@34@A53B345CC!?!2

D
MỞ ĐẦU
1. Tính cấp thiết của đề tài
EF;%;G538EHIJ8KL7D.IM83;3E3>55;DHIJ8NO3P
F;%;A3Q$L38;5$>R2(SGDTUVA=3HRWXS5GY

?


X;5D938V5T;G62ZIJ5I;>O33O73>RW8QGYY55[5A58;.O3G@552$>.
\5]HSGIJ8EH3G2$>IM85?YAH8E8V^._228.A5
8V3>Y28.A5G3M!Y2Y@8.`a8Ab3]O7H.DM52#
8EF;%;8VHc8Hd5e8.AO33O7I8O3GIJ3f3.A^_88fR=3L333A
8fHIJ8^;5^gANGAKhHIJ8NG.63B82-WDLAH8EX;N3i=Dj3/36D
HIJ8>>P8483>;3>6DE;DeP3Q$LAkW$L2l5NkU8A7]GMH8EF;

%;HIJ836$>3S58BmD$eCn$SDP848$S`8obA;5A
kWAFp$<222Hi;H8EP8483Q79;kU8H7433>d33AK.Kh2V3dVD=87433>d
88EG3i568q;3Q$LADWV398DMDTNUA935I;AX;5^62
$8EF;%;K.;.78L3SX;NH18V8nRf3.4V;A^__A
3>IP8q;H8E8V8NIM_5`Z-i3ZA??r(.(B8-oAr(-kWA?bGK.
83488I;HIJ8X;3S5N2ZS8dHs8DG53In54H8ERt848^48t5
68i3W3>6H/i3DS8;.8O3GIJ8.uG_747^_32(d8V53848W3g
3dDN8.8EF;%;D.3=Rg8488Q3O3AV77]7433>d88E8]7_
H4453848H]HqnDN8EF;%;2-M5a8H98HV8p33iHN3v()
*+#,**-(.++ /+*0-121(.*3+++((45w2
2. Mục đích của đề tài
- (44^_3>IPA_D^_8.3f38q;8EF;>;36k;-WD$L
(44^_S8;.B8_xO33f3A8O3GIJ3f3D=X_88E3X;848^y7]
DzR{.2
(44^_S8;.O38q;8EF;%;Rt7In747G;DM8Em.>7|>L72
3. Ý nghĩa khoa học và thực tiễn của đề tài

3.1. Ý nghĩa khoa học
(N3V77]3IG=V;8488Q3DN^_3>IPA_D^_8.3f38q;8EF;
%;36k;-WD$LDRIM8H]3IG=V;DN3>IP_8q;8.G;DGIJA8O3
GIJ3f38E^DzR{.2
48^i3X_8q;GL4G\3G=^.;<8Hd3;5^_.8.83488B^.;<8D_
K68.8488BA4.DADH6<8A368}A3i}=7D<8P848
$>I1H6<8A-=8B2
3.2. Ý nghĩa thực tiễn
ZL4H88O7HIJ8G=3g3dDN3WWD7S39853848i3_IPHi
3>IPA_AO3D8O3GIJ3f38oI8.3O3N5HdHfIM8.7433>d8
8E36848Hf;7In2
(N3GL4HG;8E8.3f38VO38;.n8ER_Hf;F;%;A7TJ7HN^=
836$LAV77]G53GIJAH_5R_.8O3GIJA_7y53InxBDM3N5

8q;8p2
4. Những đóng góp mới của luận án
c8KTH8V538BDN8EAIHSGG]H]3^_3>IPA_D^_
8.3f38q;8EF;%;36k;-WD$LD^i3X_DN3>IP8q;8.G;AGIJA8O3
GIJ3f38E^DzR{.HIJ88B8V=3DG.82
5. Bố cục của luận án
$.RGL4/5@3>;AInA@R_ARdH/A@WA3;5^_.@!3G=3>.D.
IM8A8V84883>W8B^.;<88VGX;HiGL4HIJ88RD7]7aGa82
CHƯƠNG 1
TỔNG QUAN TÀI LIỆU VÀ CƠ SỞ KHOA HỌC CỦA ĐỀ TÀI
EF;%;3>_X;3>5HURV5L33i3DMI182Z8E3f3xO3xB3E
DT=3HMAn8V^9LV3InH/I$LvVIF;AUI%;w2Cs3/368q;
8EF;%;3d=B88q;8p>O3398DMDTUV2.HIJ8x|5IG53
/|X948]HIJ8R_.3/D7433>d2

I1H3>IP7a38ND.3gA^GIJA33a83d8O3DM392z53
8E8V^GIJ3>IP3^48;2:GIJn8o8f_IP8q;8.>;3>53
GB;H~D8oRf_IPRP^GIJ5•Gp8H~`#.€;G|€A?Yr.5R|GG;D82A?Y?b2`;>3|€A?!@b
8.>t8V53InX;\;8Sc^Ds7433>d8n3d8q;8EP;H.63i73|.2$|.
#;3|RA`?!b^GIJGp8nG533>.\i3>O3X;3><A8Enc8Sn3I1
G8EH~Hn.c88.8q;\8E5•8V^983IM88n3dGMnDMHN^=KI•33A8p8V^_
3>IP;nA^GIJ8;.n8E8V^GIJn•8S2:GIJn_IP
H4^dHi^GIJ^8;\;A^GIJ343gD^GIJGp8i35g`:;Dk;3A?!b2$|.
`Z;|‚|33R;8^DF|3|>A??br`F|3>.Dƒ|D82Ab\8E>;8V^GIJcn3>.3W8V8n
33n2$8H33>IP8q;8E8.3>.;H.6H]Rp\;8f_IPGMRP_GIJ\;
8q;8E5•D/3B8„8V8_DNGIJD8O3GIJ2mKI•8oG53i3X;3><O3
_IPHi^__8q;8EAO3G3>IM8^7A^Rg8O3KKI•8.8E84H
G53H4^d3…G=>a3>B`k>;8;D82Ab2V;7In7478R_HdS8;.O3G†
Ka8<G<8848DG;848Hf;7InDM848.6A8_3=848HN^=53>I1AX_
G‡KKI•D8O3GIJ3B8`m;DKD$.5;Ab2Z;HHIJ847Kat5^;3483H;H;K6

K3>NP8EA^i3J7848393>65.5P8.G;A^U87a8848Hd5iDN53393>6.HVP
5•;R2
CHƯƠNG 2
NỘI DUNG VÀ PHƯƠNG PHÁP NGHIÊN CỨU
2.1. Nội dung nghiên cứu
 ˆ48Hf^_3>IPD7433>d8q;8EF;%;36$LDk;-W2
 ˆ48Hf^__8q;8EF;%;36$LDk;-WD53i3_IP2
 ˆ48Hf^__xO33f38q;8EF;%;RtD=8DzR{.P848;H.6^48;2
 ˆ48Hf^_3>IPD7433>d8q;8EG;`m.>7|>xF;%;b36$L 2
2.2. Phương pháp nghiên cứu
2.2.1. Phương pháp chung cho các thí nghiệm
@
%%0+6+67
8BHIJ83iG]GIJ33Enr@rr?D
343>@r@rYrr8E36$>3S58BmD$eCn$SAk;-WD!rr
rYD@8E36$>658BDd;.$iR:}3L3$L2
$6k;-W8B3>@8E84_A3gRU3H]7!?343g2ZB;H~3|.K‰?GB;
`GB;@rGB;rGB;@rGB;@YrGB;r!b2P$L8B3>?8E84_3gRU3
H]73EYA?342ZB;H~3|.K‰GB;`GB;?rGB;!rGB;@rGB;@?rGB;r@GB;b2
C8EHs8†Ka36k;-WG8.D36$LG!8.2
%%%(89:;<=>81?
C†Ka38yDNKKI•D3B88.8E=3HM8q;:|;>G`?!b(6<8$gJ7Š3;`}b2
%%'#@1211+6(+1?.2A(
$B8HIJ8GO5jD7S39837].4<83|.848$-8.3B882
2.2.2. Phương pháp nghiên cứu của các thí nghiệm cụ thể
Thí nghiệm 1: 2(9>-*+#, 12++:((45+B 
EHIJ8X_G‡843dDM84833A34A5
AM39A8.RA8.5•8q;8E2l$LA8EHIJ883_Y1[DHIJ8Rg8.
3B8368//5A^845[DA^8e[2
lk;-W8EHIJ883_@1[^i3J7DMRgA^8eD.[DA^[845[2

$>.3>I1J75I;V8EHIJ83P8/A8iHKI•47Ka8.8.;8nP8
I;
$B83x;^3B83x;HIJ88;3@R\;[2$B83zJ7A^[[;
G]2$_H4Gi58.8EGi5DIM83sK.`47Ka8.3O38_39=5DN3>IPA_DzR{.A
8EG;b2
3483p8EP;3>6HIJ83y4Hf^‹DHIJ8Hf^‹357Œ53G.6D;882
Q33|.K‰:GIJP84858333><3=3H`^[8.[br^GIJA^983IM853
8NH.A8Q8O36.3dWr

Thí nghiệm 2: 2(9>-**-((45+B  /+*0C+0-
#,
48i38BR;./5_IP8q;DT`k;-WA$LbAGB;H~AHs8†KaD5T;7
D5T;8E8.`^A5I;bHi848393>6_P8E2
•_G‡85V8KI•3In3sI39=5D=Hs8A5T;D84833^48
HIJ83|.K‰2
Thí nghiệm 3: 2(9>-*-;3+++((45DE 7( FDG.,(2(9.>2(

$1;3E34@Hi345@
(f;Hd536$>3S58BmD$eCn$S
$9=53i3>8EHs8A`^GIJR;H]AAY^bDHIJ83i3^i3|.7In747R
3>9.3.jDM@=53B8DG]Gc7G62k;=53B8/5@^y7]`3…G=8e3B8z
J7bGY@rD25zHnDfG8EHs8HIJ8>R=3P8o843d2$9=5HIJ83i3
^iR3>939=5D=53B83In3sI39=5A38EHs88V^GIJR;H]3E
!A@!A^2CnH/8q;39=5HIJ83>WRPR_2D22
C;^8yRfHdgHfGIJ3B83LG5X|^y7]2:y7]39=5
3|.R_22$|.K‰3B8D.Rt8488S3B83>IM8D;^2
-%H@9I+67J(4K+2+LM
NO+
$…G=Ž8eŽ3B83
:F`(b :F`b :F@`b

`8.b   
$43g`34b AY A? A?
:ZR;H]`^b AY A@ A@
8yRf`b   

$1;$`3]b ! ! !
-%%H@9I+67%J(4P+2+LM
NO+
$…G=Ž8eŽ3B83
:F`(b :F`b :F@`b
`8.b   
$43g`34b !A !A !A@
:ZR;H]`^b ?A ?A !A?@
8yRf`b   
$1;$`3]b ! ! !
"+QR7S&T'&JNU90()MV"%+QR7K&TW&J>81?%MV"'+QR7X&TX&J>81?'M
$B83zJ7$7]3…G=73>43>fKKI•8q;3B83D8eD.PR_2@2C;^
73>AGO5j3B87S39843>fKKI•P-=2
$B83x;†KaG8e 3g2eHIJ834e@85HdKhK3>8TDM3B8
32
-%'N+)(+)(+FY1 2+<<#Z(([.
\N+)(+)(+F
Y1
D\]2+<<#Z(([.
G=
3B8
$…G=7
3>Ž
$7]V;
<8

#43>f
R3 @ -:`Žb A??
CUG43 @ NJ^M X
k3HL3In YA m‚`Žb YA@
%Q5L3  •m‚`Žb A
kR; A •`Žb AY@
:.4A
D3;5
A •J_`\>a_M P

 A
N"J^M bb'
NJ^M &KK
•J_`\>
a_M
&KK
‘$>zJ73B83|.3…G=33$B83x;D3B83zJ7HIJ83>3|.3…G=Y@
:F`(br`:FbD`:FbKs;D.3…G=DL38O3^`Žmb2
-%W1?<<#Z(FY1+)((c+QR7+T+>2(
NO+
$…G=Ž8eŽ3B83
:F`(b :F`b :F@`b
O3^`Žb @2? 2 2
F>.3|3`Žb 2@ 2 2
•`’[mb ?2 ?2Y ?2?
* Chỉ tiêu theo dõi: `b$3><3=3H`^[8.[bA`b$33B8[^33><2
" *2+*3+++TC;^^i33p839=5A5zG5g^_.43@8.`39=5bD@8.`39=5
bHdx48HfO33f3 3…G=3f3x~A3…G=3f33A3…G=xInA3…G=36222
" *2+(3+R#Y++T
#43>f78q;8n3D8nR4=3HIJ8H.Rt54H.7C3;>`Zk(B8bDM5jG]Gc72

U83f3H.P8nR4=3Gp81;i33f3Rt54H.5U8.G3;%`L3k_bDM
G]Gc7G62:GIJ5j;8iRiHIJ8x48Hf8SG65j;^O78483…Rt54“;3|>R;3
|55|>3P=3HY”3>.31;7p32Zs88U3HIJ8x48Hf3>8483e3f3Rt54“;>|>
k>;3€G|>m`}bDMG]Gc7G62ˆ48HfHK;|•3n2
Thí nghiệm 4: 2(9>-*+#, 12++:((4RJa.1d;5M+
B 
8BHIJ83iG]GIJ33Enr@rr?D34DM8.@rr!rD8EG;‚
`m.>7|>xF;%;b36$>6P$L2$1;3E34[?Hi34[2(d33L7
Y
G=DN3>IP3En343gD8488Q3_28BH†Ka@8E84_
F;%;2C†Ka8EHs8m.>7|>Hd{77DMH84_2
l$LA8EHIJ883_Y1[D8.368//5A^845[DAYA^
8e[2
3483pHIJ83s8=IP39=5D
g^_.43DNO3D8O3GIJ3f3I39=5@2
‘Q33|.K‰3In3sI39=5D2
‘C†Ka8SH//nŒ;G.6^A^;3H;–r33d–@D^;3H;–
@r33d–Hd8S^GIJ8EA3B8`47Ka8.3O38_39=5b
2.2.3. Phương pháp xử lý số liệu
•
-M39=5@CG=3HIJ8393.4nRRt7]5N•x8|GA;HVHIJ83ix†G‡Rt
5W3i393gX43`#||>;GZ|;>.K|G#ZbD.4=53B8Rt7In747$^|
8q;7]5N53;R2`b2W3^x†G‡G'
—
µ˜$

˜|
—
•
-M39=5rDCG=3HIJ8393.4nRRt7]5N5•x8|GA;HVHIJ83ix†

G‡3|.7In7473^53_`k;83;338bD.48488Q38q;;DTRt7{73†.
43>RW5j`;57G|3|3bA8q;7]5N5Rt7]5N53;R2`b2
CHƯƠNG 3
KẾT QUẢ VÀ THẢO LUẬN
3.1. Khối lượng và một số chiều đo từ sơ sinh đến 12 tháng tuzi của cừu Phan Rang nuôi tại Ninh Thuận và
Ba Vì
-'T"0R#Y e=(<+(G. (. +4*@*9C%+2+L((45+B

$g $93>6
k;-W`|;–
C•b
$L
`|;–C•b

`|;–C•b
F
Cn

`8.b @ ! Y!
:Z`^b A@–A A–A! A@–A@? A
!
@
34
`8.b @  Y
:Z`^b A@–A!@ A–A?! A–A@ A!
-Œs8`85b !AYY
;
–AY ?AY
R
–A? !A?!–A?Y 0,012

m3S8{.`85b A!@–A@Y YA!–A A?Y–A A
;.DS`85b A
;
–A @A@
R
–AY? @A!?–AY 0,008

34
`8.b Y  YY
:Z`^b YAY–AYY YA?–A!? YA–A! A@@
-Œs8`85b AY
;
–A@ @AY
R
–A! A?–A 0,000
m3S8{.`85b A?–A@Y A@–A A?–A A
;.DS`85b A??–A YA@–A YA–AY A!?
?
34
`8.b  Y !
:Z`^b A–A AY–A A–2? A
-Œs8`85b AY?
;
–A@ !A@
R
–A! YA@–A 0.000
m3S8{.`85b A??–AY @A–A @A–A? A@@
;.DS`85b ?A–A! ?A!@–A@ ?A–A?! A?

34

`8.b  @ @Y?
:Z`^b YA–A?@ YAY–A@ YA@@–A? A@
-Œs8`85b YA
;
–A Y@A
R
–A?! YA!–A? 0,000
m3S8{.`85b A@–A! A–A A@–A@ A@@
;.DS`85b A
;
–A @A
R
–A! A!–AY 0,008
](fT
D
]2++D+.(/+>(g(2+>*>2(Jh&&XM
:983IM8DŒs8G538Q3X;3><O3GX;HiX43>W3>IP8q;;p8A8NH.
8f_IP8q;7y5D8iH85V8KI•2NH.DŒs88q;8EP
$LDPk;-WAP84831Hd5@rr?D348Vs^48;`F™AbAX;848343g8EP
$L8VH.DŒs8Kn8EPk;-W2$A^GIJX;848343gG6^8V
s^48;`FšAb2:i3X_8o7TJ78NH.DŒs8D8V^GIJ3InHIn.DM8E
FG7`‚;G.A?!?b2`k|A`??Yb28.>t8V3dKsH.4^GIJ8E]HpKs;D.8488NH.
?
DŒs8AK3S8{.A8;.DS8q;8EI8NH.DŒs83I1HIJ8†KaNO3A89x48
n2
3.2. Khối lượng cừu Phan Rang qua các tháng tuzi
:i3X_R_@2^GIJn8q;8EF;%;Pk;-W`A@^bD$L`A^b^i3X_
t53>.^._3>;8q;848^i3X_8BZ-i3ZD82`??br`(.(B8-oAbDN
8EF;%;P$LD`(-kWDh:5ZAYb8EHs8D8E84F;%;
36k;-W2C;;H.68;\;@343g8EF;%;8.Hs8A8.848Vs^48;DN3^

GIJHi343gA8.Hs88V^GIJcn8.842:i3X_7TJ78488B8q;848348_
`Z-i3ZA??r(-kWD$-Ab2
-'%T"0R#Y(45+d.i+6j(2(+2+LJ>M
#M
$9
-T #43>f
#;H.63g
Cn @34 34 ?34 34
(s8
k;-W
C8. ?   @ 
|;–C• A@Y–A@ A?–A! YAY@–A @A@–A ?AY;–A

$L
C8.    ? !
|;–C• A@?–A? @A–A@@ YA?!–A@ @A–A! ?A?R–AYY

C8. Y?  @ Y 
|;–C• A@!–A @A–A!? YA!@–AY! @A@–A ?A@–A?
F A!? A A AY A?
4
k;-W
C8.   @  
|;–C• A–A A?;–A! AY–A! AY?;–A A?–A

$L
C8. @!   ! Y@
|;–C• A@@–A? A@R–A A?–A A@R–A!Y A?–A?

C8. ??  @  Y

|;–C• A@–AY A–A! A!–A A–A? AY–AY
F A A A!!Y A A
](fT
D
]2++D+.(/+(/+>(g(2+>*>2(Jh&&XM

l31Hd5@34D?343g8E84P$L8V^GIJ8;\;`A@^bD`A@^b
GMn8EPk;-W`A?^bD`AY?^b^48;8V‡›;`7™Ab2(N8V3dGK.PDTk;
-WG5T;3GIJ3B8_5H3>.^HV8ŒP$LDjH;G5T;5I;8VGIJ3B83
x;.H/K/K.nK.HVHV77]348HHi3>IP8q;8EP;H.62C;8;\;8E
F;%;8.Hs8A8.848Vs^48;DN3^GIJHi58343gA8.Hs88V^GIJ
cn8.842:i3X_R_@28.3O8.Hs8GK3>W^GIJ8q;8pDNI3i3EGp8>;
3>.331;D^._8488G=8\;^GIJ8n3d8q;8.Hs8D8.848VxIM>‰
>=3nP848;H.67433>dDN;2
3.3. Tăng khối lượng tuyệt đối, tương đối của cừu Phan Rang nuôi ở Ba Vì và Ninh Thuận
I1H3>IP3=3H8q;8EF;%;;H.63EnHi@343gG8;.O33>RW
`Hs8bG!AD`84bYAY;5[8.[2C;HV38H3^GIJ3=3H_5K]3|.343gGp8
343gA8.848VxIM_5;n;3^GIJ3>RWP8.843O7n
8.Hs82FTJ7^i3X_8B8q;`.$i;A@r(-kWD$-Ab2
-''H+#,+7+90(9(45, BJ\(.\M
#M
39
-T #43>f
#;H.63g
Cn@
$4
@
$4
?
$4

?
$4
E
Hs8
k;-W
C8.   @ 
|;–C• YA@–A A@–AY ?A–A !A!
;
–A!

$L
C8.   ? !
|;–C• !A!!–A @A!–A? ?AY–A!! YA
R
–A!

C8.  @ Y 
|;–C• !A–A? A?Y–A! ?A–A YYA??–A
F A A! A?!Y 0,017

E
84
k;-W
C8.  @  
|;–C• YA!–A A?–A A?–A? YAY–A

$L
C8.   ! Y@
|;–C• !A–AY !A–A!! ?A@–A@? A–@AY


C8.  @  Y
|;–C• YAY–AY A–A AY–A YA!–A?
F A A! A AY!
](fT
D
]2++D+.(/+(/+>(g(2+>*>2(Jh&&XM
$^GIJ3>IP3=3H8q;8E84A8EHs8Pk;-WD$L3S3|.XGL3
3>IP3|.;H.62•;848^i3X_8B8.3O3^^GIJ8;.O3P;H.63>IM88;
\;2C;HV38H3^GIJ3=3H_5K]3|.343gA8I1H3>IP8q;8E3E;H.6
nHi343gP8EHs88;.n.DM8E84^i3X_7TJ78488B8q;848348_3>
8E=3HM`•RKG“;KA?!?r•G‚;KGD82A@rk|>;k|G;D•;G|5;G|ArZ;DD;œ.;>
D‚;>;D;Ab2
-''DTH+#,+#@90(9(45, BJ^M
#M
39
-T
#;H.63g
#43>f Cn@
34
@
$4
?
$4
?
$4
E
Hs8
k;-W
C8.   @ 
|;–C• @AY–A YAY–A A–A YA?

;
–A

$L
C8.   ? !
|;–C• @A–A YA!–A@ A–A? A!
R
–A

C8.  @ Y 
|;–C• @A–A YAYY–A? A–A AYY–A!
F &b &S&' &SSW 0,025
E k;-W C8.  @  

84
|;–C• @@A?–A !A?–A! A@–A AY@–A

$L
C8.   ! Y@
|;–C• @@A!?–A? YA–A@ AY–A A–A@

C8.  @  Y
|;–C• @@A?@–A YA?Y–A A!–A A–A?
F &P&X &&S% &%%' &KXW
](fT
D
]2++D+.(/+(/+>(g(2+>*>2(Jh&&XM
:i3X_R_@2@R8.3OA8I1H3>IP3InHHN356O38_P8E84D8EHs8P;
H.6nHi@34A;HV_5x3|.848;H.6343gA8.Hs88V8I1H33>IP8;.
n8.848.8E8_;DT2(NHIJ8G‡_X_G‡8q;3>6k;-WKI•33n3>6

$L2:.4DM538EHf;7InIP•3.7;SFAFG7|A•(Sž^
GIJ8q;8E=3HM3InHIn;`F>;K;A?!?rmD|K>;D‚;G.A?!?r$RR.D82Ar
k|>;k|G;D•;G|5;G|Ab2
3.4. Chỉ số cấu tạo thể hình của cừu Phan Rang
:i3X_PR_@22l8EHs8@343g8.3O8488Q8O36.3dW8Vs^48;\;8EP
k;-WD$L`7™Ab2(DM8EHs8Gp8D?343g8Q8O36.3dWDNC$AC:ZD
C$343g8EP$L8V8QGMn.DM8EPk;-W`7™AbICm$8E
Pk;-W`YAŽb8;.n8EP$L`A@Žb8V‡›;`7™Ab2V3dK.8EHs8P$L
HIJ883_N8.8488Q8V^48DM8EPk;-W2
lH3g?D348E848VC$Pk;-WD$L8Vs;^48`7™Ab3ACm$D
C:Z^8Vs;^48\;;DT2
-'WTNO*0(3+.+:(45+ +B
$4
3g
Q #43>f k;-W $L  F
Cừu đực
@ . C8.   
C$ |;–C• AY
;
–A@ @A
R
–A A–A 0,001
@
Cm$ A
;
–A@ A?@
R
–A A@–A? 0,000
C:Z A?@
;

–A@@ A?
R
–A YA!–A@ 0,000

. C8. Y  @
C$
|;–C•
A?
;
–A A@
R
–A@ @A–A@ 0,006
Cm$ A?–A@ A!–A A@Y–A AY
C:Z YA
;
–A@ A@
R
–A! !A?@A@ 0,000
?
. C8. ? @ Y
C$
|;–C•
YAY
;
–A !A?
R
–A@ YAY!–A 0,019
Cm$ A@–A A@Y–A@ A@–AY A?!
C:Z AY
;

–A A@
R
–A@! @A!–A! 0,023

. C8. Y @! 
C$
|;–C•
!A?
;
–A@ A?
R
–A A?–A@ 0,000
Cm$ YA
;
–AY A!Y
R
–A@ A–A! 0,000
C:Z AY?–A? YAY–A@Y YA–A@ A!
Cừu cái
@
. C8.   
C$
|;–C•
A
;
–A A!
R
–A? A!Y–A@ 0,032
Cm$ A!Y–A@! A?Y–A! A@–A@ AY
C:Z A@–A A–A A–A@@ A


. C8. @  @
C$
|;–C•
A!–A@? A!–AY A@?–A@ A@
Cm$ A
;
–A@! A
R
–A@ A!–A@ 0,032
C:Z AY–A A–A? A–A@ A@
? . C8.  ! 
C$ |;–C• A
;
–A@ AY?
R
–A AY?–A@ 0,005
Cm$ A?–A AY@–A A!–A@ A@

C:Z A–A A!–A A@–A@Y AY

. C8. ? Y! Y
C$
|;–C•
YA
;
–A !AY
R
–A! YAY?–A@@ 0,012
Cm$ AY–A A–A A–A@ A@

C:Z @A–A A–A @A!–A@! A
NHaT(O*0<+NH_T(O*0+eNH"T(O*0>0R#YV
D
]2++D+.(/+>(g(2
+>*>2(Jh&&XM
3.5. Khả năng sinh sản của cừu Phan Rang nuôi tại Ninh Thuận và Ba vì
Cs^48R=3DNO3_P8EF;%;P$LDN31;HKa8G]H]A31;
7G]H]M5nA31;HKa83>PG6UnP8E36k;-W`F™2bA8Q8V^GIJ
7G]H]enA8.8;\;D3…G=8;\;8E363L3O7n.DMPk;-W
`F™2b2:i3X_3>7TJ7DM8B8q;`(-kWD$-AbD8o7TJ7
DM8B3>8E•(PDT79;;5D(kU8`:5;>;D|GDC|>5;C;>;D;;F;K;A
b2$|.`•R|;€D82ArF|GG|3|>D82A?!Yb8.Ri33…G=3a3;A8.>;3;Hg3|.5T;A
8V3dK.KI•HIJ883_NnDK.18i4P$LKnPk;-WHG5_
IPHi538Q3_^48;2
Bảng 3.5: Khả năng sinh sản của cừu nuôi ở Ninh Thuận và Ba Vì
Q3 $L
`!b
`|;–C•b
k;-W
`@b
`|;–C•b

`b
`|;–C•b
F
$1;HKa8G]H]`b A
R
–A A
;
–A@ @A–@A? 0,003

$1;7G]H]`b YA!
R
–A? @A?
;
–A !YA–A@@ 0,000
$1;5;3;`b ?A
;
–A !A@
R
–A !A?–A 0,000
$gH~GB;H]`b A@–!A!! A!–!A ?A–A A?
$1;HKa83>PG6`b A
R
–AY! @A
;
–AY YA?–AY? 0,000
:._848GB;H~`b A!–A@ !A–A A!–A A!

:GIJ7G]H]`^b !AY
R
–A A
;
–A ?A–A 0,000
:GIJH~GB;H]`^b A@–A@ AY–A? A–A A@@
$gGB;H~`GB;b  ? 
CGB;[5`GB;b A
;
–A A
;
–A A–A A@

C8.n`8.b ! @ Y!
C8.n[GB;`8.b A–A@ A–AY A–A? A
C8.Hs8n`8.b ?  !
C8.Hs8n[GB;`8.b A–A A@–A@? A–A! A@
:GIJHs8n`^b A–A? A–A A–A! A??
C8.84n`8.b @? ! ?Y
C8.84n[GB;`8.b A–A A–A A–A@ A
:GIJ84n`^b A@–AY A@–A A@–A! A@Y
C8.8;\;`8.b  @ Y
C8.8;\;[GB;`8.b A
R
–A? A
;
–AY A–A? 0,003
$…G=8;\;`Žb !@A!
R
–A ?A
;
–A@ !!A?–A 0,000
:GIJ8;\;`^b A–A! A–AY A–AYY A
C8.Hs88;\;`8.b   
:GIJ8;\;Hs8`^b @A–A!? AYY–AY A?–A A@?
C8.848;\;`8.b   
:GIJ8;\;84`^b A!–A @A–A A?–A@ A
](fT
D
2++D+.(/+>(g(2+>*>2(J1h&&XM
3.5.2. Ảnh hưởng của mùa vụ phối giống và mùa vụ sinh con đến năng suất sinh sản của cừu Phan Rang
-'KTk#,( l100  l9m9C/+*0(O+>-**-((4,
Q3 T;Da7 T;DaH~

$H
`b
`|;–
ˆSŸ
`?b
`|;–
F $H
`b
`|;–
ˆSŸ
`?b
`|;–C•b
F

C•b C•b C•b
$1;HKa8G6`b A
R
–A? A
;
–A? A A?nA A?–A A
:._848GB;H~`b YA–A@ YA–A A@ AYnA YA–A A!
CGB;[5`GB;b A–A A–A A@ AnA A–A AY
C8.n`8.b   ? Y
C8.n[GB;`8.b A
R
–A@ A@
;
–A A@ A@
;
nA A

R
–A@ A
C8.Hs8n`8.b ! ! ? 
:GIJn^b A–A A@–A@ A? A@nA@ A–A@ A?
C8.Hs8n[GB;`8.b A–A AY–A A@ AnA A–A A@@
C8.84n`8.b Y! ! ?? 
C8.84n[GB;`8.b A–A@ A–A AY A
;
nA A
R
–A@ A
C8.8;\;`8.b ? Y YY ?
$…G=8;\;`Žb ?@A–A@ ?AY–A A ?A!nA! ?@AY–A! A
:GIJ8;\;`^b A–A A–A A! AnA A–A AY
](fT
D
2++D+.(/+>(g(2+>*>2(J1h&&XM
:i3X_PR_@2;8o8.3O5T;DaH~8V_IP>‰Hi8.n`F™AbD8.84n8q;8E
36k;-W`F™Ab2T;DaH~8V_IPHi_2EH~Da3H8V8.n8;.n8.n
8q;8EH~DaŸ3`A@.DMA8.bA8.84nH~Da3H8o8;.n8.84n8q;8EH~DaŸ
32
:i3X_R_@2R8.3O8_5T;Da7D5T;DaH~HN^8V_IPW`FšAbHi8488Q
3_8q;8E36$L2T;Da7D5T;DaH~8V53_IPO3HfHi
_P8E36k;-W2(SG53^i3X_^43pDfD8]HIJ88B3i7Hd8Q>;S2
kIM8H]A3|.8p3s^48R=38V3dGK.s^48R=3DN848HN^=3sD^9L313i336
;Hf;Hd58B2
Y
-'KDTk#,( l100  l9m9C/+*0(O+**-((4,B
Q3
T;Da7 T;DaH~

T;^
`?b
`|;–C•b
T;5I;
`?b
`|;–C•b
F
T;^
`!b
`|;–C•b
T;5I;
`b
`|;–C•b
F
$1;HKa8G6
`b
A–A! A–AY@ A??! A–A @A–A A@
:._848GB;H~`b A–A A?–A AY@ A@–A@ A–A@@ AY!
CGB;[5`GB;b A–A A–A A A–A A–A A?
C8.n`8.b    @
:GIJn`8.b A@–A@ A–A@ A? A–A@ A–A@ A?
C8.n[GB;`8.b A–A A–A A?? A–A A@–A A?
C8.Hs8n`8.b  ! Y 
C8.Hs8n[GB;`8.b A–A A–A AY@ A–A A–AY A!@
C8.84n`8.b Y@ Y Y Y
C8.84n[GB;`8.b
A–A A–A A!@ A–A@ A–A A?
C8.8;\;`8.b  Y  ??
$…G=8;\;`Žb !A@–@A!? !@A–@A A !A–A@ !A–A@ A@@
:GIJ8;\;`^b AY–A A–A AYY A–A? A–AY AY@

3.5.3. Ảnh hưởng của lứa đẻ đến năng suất sinh sản của cừu Phan Rang
-'STk#,(R)9m9C>-**-((4,
ZB;
H~

`8.b
#43>f
C8.
n
`8.b
C8.
8;\;
`8.b
$…G=8;
\;
`Žb
:Z
n
`^b
:Z
8;\;
`^b
$#(
mZ
`b
:Z(
`b
CGB;
H~[5
 @

|; A
;
A
;
?A A@ A
;
?A
;
!A
;
A@
R
C• A A! A!? A@? A A@ A A
 
|; A
R
A
;R
?A? A A@
R
A
R
A
R
A
;
C• A A? A!? A A A A? A
!
@ 
|; A@

R
A
;R
?A A AY
R
@A
R
@A!
R
A
;
C• AY A? A? A AY A! AY A
 @Y
|; A@
R
A
;R
!!A A A?
R
?A
R
A
R
A
;
C• A AY A AY A A!@? A A@
D !
|; A@
R
A@

R
?A A@ A
;R
YA
;R
?A
;R
A
;R
C• A? A! @A? AY A@ A@ @AY! A?
F 2 A@@ A!@ AYY A A A A
](fT
D
]2++D+.(/+(/+>(g(2+>*>2(Jh&&XM
.3OGB;H~H_IPHi8.nA8.8;\;`F™AbA^GIJ8;\;A31;HKa8
3>PG6A^._848GB;H~DGB;H~[5`F™Ab8q;8EF;%;36k;-W2$6$LAGB;H~
8V_IP>‰HiR8Q38.nA31;HKa83>PG6A^._848GB;H~DGB;H~[5
`F™Ab2Cs^48R=38V3dGK.s^48R=3DN848HN^=3sD^9L313i336;Hf;Hd5
8B2
-'SDTk#,(R)9m9C>-**-((4,B
ZB;H~ #43>f
C8.
n
`8.b
C8.
8;\;
`8.b
$…G=
8;\;
`Žb

:Z
n
`^b
:Z
8;\;
`^b
$#(mZ
`b
:Z(
`b
CGB;
H~[5
`?b
|;
A
R
A
?A
A@ A A?
;
YYA@
;
A@
R
C•
A! A
A?
A@@ A@@ A AYY? A
`!b
|;

A
;
A
Y?A
A@ AY ?AY
R
?A
R
A
;
C•
A! A
A
A@ A@ A! A!! A
@`b
|;
A
;R
A
!A
A AY ?A@
R
@A
R
A
;
C•
A A
A@
A@ A@ A@@ A? A

`@?b
|;
A
;R
A
Y?A
A A ?YA@
R
A!
R
A
;
C•
A AY
A?
A@Y A AY @A A
D |; A
R
A?
Y!A
A@ A ?A@
R
A
R
A
;
?
`@b
C•
A? AY

A@
A A! A!Y? @A@@ 2Y
F 0,002 AY A
A
A? 0,000 0,000 0,000
](fT
D
]2++D+.(/+(/+>(g(2+>*>2(Jh&&XMC++o+T]aJ$9/
<l(MV"J>0R#YM
:IM8G8.n3K]3EGB;HiGB;@r31;HKa83>PG6D^._848
GB;H~UK]3EGB;HiGB;Ar8ŒGB;H~[53K]3EGB;HiGB;>/gHf2W8
O3_33n3EGB;3>PHD3I1gHfPGB;H~3B2
3.6. Kết quả nuôi vƒ b„o cừu ở giai đoạn 6 tháng tuzi
kWXS33><8_^‹8;.O3PV58E:F@`![bA3i73|.:F`[bD3O7O3
V58E:F`[b8Vs;^48>‰>=3`F™Ab2l8TH3gDM5B8KKI•^48;H
_IPHi38H3>IPD8VxIM3GP8485B8^48;2
ZIJ3B8D.D=X_†Ka3B88q;8E
ZIJ8O3^D.8q;8EP848G393>^^GIJK;.H3EAA^D8Vs;^48
`F™Ab2#43>f8V3InX;3LDM33><8q;8E39=5G8;.O3PG:F@D3O7O3PG
:F2
$33B8`^-:[^3^GIJb8;.O3GG:F`YA!^bA3i73|.G:F`A@^bA3O7O3G
G:F@`AY^b`7™Ab2

-'bk#,(>81?9C>-+>0R#Y((4
Q33|.K‰
:F`(b
`YŽ8e˜
@Ž
$•b
:F

`Ž8e
˜Ž
$•b
:F@
`Ž8e
˜Ž
$•b
C• F
C8.   
$1;$`3]b ! ! !
:GIJH]^‹`^b AY A@ A@ A A@
:GIJ3]H]`^b !2?Y
;
2@Y
R
2
R
2? 2Y
$:Z$k3]H]`[8.[b AY!
;
!A?
R
!!A
R
2@ 2
:GIJ3];`^b A@
;
AY
;R
A@Y

R
A@! A
$:Z$k3];`[8.[b A
;
@A
;R
Y@A?
R
2@ 2!
$:Z8_^‹$`^b 2@; !2@R 2@R 2@ 2@
$:Z$k`[b AY
;
A
R
!A
R
YA A@
](fT]2++D(g(2>2(+.(+*>2((cpq+0>Jr&&XM
-'Pk#,(>81?9C+)( . 7j-*s<l+)(((4
Q33|.
K‰
(nDf39 :F :F :F@ C• F
-:D. :[8.[ A!@
;
A!!
R
A?
R
A?@ ™A
-:D.

^[^
:Z8n3d
A
;
A
R
A
8
A? ™A
•D. ’[8.[ A@!
;
@A@
R
A
8
A@ ™A
$3$ : YA!
;
A@
;R
AY
R
A@Y AY
](fT]2++D(g(2>2(+.(+*>2((cpq+0>Jr&&XM
1?+++((4K+2+L FDG.
$…G=3f3x~A3…G=3f338q;8E:FD:F3In3s;3>.^HV8V;^48>‰>=384843>f
^.DM8E:F@`F™Ab:8V;^48DN3…G=8SA7q36D3…G=xIn2
