ĐẶC ĐIỂM NGOẠI HÌNH VÀ KHẢ NĂNG SẢN XUẤT CỦA GÀ HẮC PHONG

VIN CHAN NUN — Tap chi Khoa hgc Cong nghe Chan nuoi — SO 84. Thang 02/2018

DAC DIEM NGOAI H1NH VA MIA NANG SAN XUAT CUA GA HAC PHONG
Phom Mfg Thie u Nguyin Haw Cuftg2, Nguyin Quyit Thtingi, Trtin Quic Hang3, Nguyin Thi Thanh
Van3, Cao Thl Lien', Le Tuin Viet Ova Nguyen Cong Dinh'
'WO Chan nuoi, 'BO Khoa hqc va cong ng14, 3Trung tam Owe nghiOn va bao tan vat nuoi,4Cong ty co
phAn khai tithe khoang san Thief' Thuan Tirtrng Quang Ninh
Tac gia a lien 4: TS. Pham Cong Thieu; Tel: 0912244149; Email:

ABSTRACT
Morphometric characterisation and production of HacPhong chicken breed
The native HacPhong chicken breed is from Quang Ninh and in the group characterized by back bone, black
skin, low fat and tasty meat likely Ac or ThaiHoa chicken breeds. The objective of this study is to evaluate the
morphometric characterization and production of HacPhong chicken breed. Results shows that the chick at one
day old chick are black homogeneous plumage with grey neb and toes, 6 toes and a bunch of feather in outside of
little toe. At the age of 19 weeks, both cock and hen are black. The cock has two type of crest (single crest and
pea and rose creats) while the hen are black and grey pea creats and red ear-lap colors. The hen also has a small
bunch of feather on the head likely Ac chicken breed. The chicken body weight at 8 weeks is 666.47 g/head. The
body weight of a 19 week: 1468.90g/cock, 1212.90g/hen, 5% egg production (148 - 154 days) and peak egg
production (33 -36 weeks). Number of egg production/hen/ 72 weeks was 148.69 eggs, respectively to 40.85%,
FCR /10 eggs 2.51kg; (89.31 - 91.07%), hatchability 76.64%.
Key words: HacPhong chicken breed, Morphometric characterization, body weight, egg production, FCR

DAT VAN DE
Ngdy nay, ding vai su phat trien chan nuoi cac giong ger c6 nang sudt cao theo huang trang
trai cong nghiep nhu ger sieu thit, sieu trim?. Viec nghien cfru ch9n 19c nhan thuan cac giong
hi'em dac san ding dugc trien khai va nuoi thir nghiem thanh cong, dac Net la
ger ban dia
nhang nam dau dm the kY 21 6 nuoc ta. Chan nuoi cac gi6ng ger da den, thit den va xucmg
den là mOt trong nhitng huang di nhu very. Ga HL Phong là giong ger ban dia ciia Viet Nam
dirge phat hien va thu th4p tir Quang Ninh thuOc nhom ger thuoc c6 da den, thit den va xucmg

den, chat lucmg thit therm ngon, it m"6 'thong tanh nhu ger Ac, ger Thai Hod. Cling nhu ger
H'mong, ger Ac va ger Thai Hod, ger Hac Phong dugc ngu6i tieu dung biet den nhu mgt gi6ng
ger thu8c de chila tri mot so benh trong y h9c va bdi dtrOng sire khoe cho ngued gia, phi nit
sau khi sinh de. Chinh vi very ma nhu cau lo4i thit ger nay cang tang do very phai co nguon con
gi6ng ger Hac Phong dap img yeu cau cua san xuat chan nuoi NIA nhu cau tieu dung dm xa hOi.
Vien Chan nuoi dirge BO Khoa h9c va Congnghe phi duyet cho then khai nhiem vi cap
Nha nuac "Khai thac va Phat trien nguon gen ger Hac Phong va ger TO". Thuc hien tir ram
2014 den thang 6/2018 de ch9n 19c nhan thuan xay dung dan hat nhan, dan san xuat ger HL
Phong cung cap con gi6ng cho phat trien chan nuoi, day là mgt huang di &mg va can thiet
nham nwc tieu: Xac dinh dugc mot so dac diem ngo4i hinh dac trung va khd nang san xuat
cua ger Hac Phong.
VAT LIEU VA PHVONG PHAP NGHIEN Ctru
Dei ttr9ng, thZri gian va dia diem nghien cum
Ga Hac Phong 01 ngdy tu6i den 72 tu'an tu6i (quy mo 300 mai/nam) dugc trien khai tir than
5/2015 den 2/2018 tai Trung tam Thuc nghiem va Bao ton vat nuoi - Vien Chan nuoi va
Trung tam Chuyen giao TBKT Quang Ninh.
53


PHAM C6NG THIEU. floc dam ngoai hinh vet khet nang san xucit ctia ga Hcic Phong

Ni dung nghien cuv
Xac dinh mOt s6 dAc diem ngoai hinh dAc trung cua ga Hac Phong.
Danh gia duqc kha 'tang san xuA't (sinh truamg va sinh san) cua ga Hoc Phong.
Phirong phip nghien ciru
flat diim ngoai hinh
Sir ding phuang phap quan sat trot quan nham tao duqc dan san xuAt ga Hac Phong mang
dAc diem ngoai hinh dAc trung cua giong. Do d6 vigc ch9n 19c theo dAc diem ngoai hinh la
quan trung nhat: mau sac long, kieu mau, mau da, than, mo, v.v... a cac thai diem 01 ngay
tu6i, 08 tuan tuOi va 19 tuan tu6i.

Kha nang sinh truang
Dtra vao tieu chuAn ga Hac Phong de tien hanh ch9n 19c ga Hac Phong: Ch9n 19c kh6i lugng
co the ket tilde 08 tuan tuoi (can ca the tai thai diem nay, can town bi) so ga), se ltra ch9n
nhang ca the co khoi lugng trung binh cua gi8ng vai ty lg ch9n 19c con tong khoang 15-20%
va con mai khoang 60-65%. Den 19 tuan tuoi tiep tic tien hanh ch9n 19c diira theo ngoai hinh
dAc bigt la mau 18ng va ga c6 long than de ch9n len de. Ve khoi lugng ca the ga trong ch9n
19c khiii lugng trong pham vi (Mean ± a) va ga mai (Mean ± 2a).
Kith Wing sinh san
Trong giai (loan nay dinh kSt ch9n 19c loci nhang ga de kem hoAc ga phat dtic ch4m, 18
hu)* nho.
Chi 43 nuoi duang, chain soc
Dtra teen IC& qua nuoi bao din ga Hic Phong nhung nam qua va tham khao khAu phan an ding
nhu quy trinh chain soc, nuoi duang ga H'm6ng. Dan ga Hac Phong duac nuoi trong dieu
kign chung trai thong thoang ti; nhien, nuoi nen O'm lot trAu, che d8 dinh duang, chain soc
(Bang 1 va 2).
Bang 1. Che di) chain soc nuoi duang
1v144 dq
(con/m2)

TS, lg
(trOng/mai)

Ga con (0-8
tuan tu6i)

15-20

Ga do - h4u bi
(9-19 Ulan tu6i
Ga de (20-72

tuan tu6i

Giai down

54

Che d8 an

Che d8 chieu sang

Nuoi chung

Tv do

24/24 gia & tuan dau sau do
giam clan den anh sang tier
nhien

6-10

Nuoi rieng
tilting mai

Han the

Anh sang tonhien

3-5

1/7 -1/8

Theo tuOi va
tSr lg de

16 gia/ngay


VIN CHAN NUOI

— Top chi Khoa hoc Ging nghe Chan nuoi — S6 84. 'Mang 02/2018
Bang 2. Cite de dinh du6'ng

Chi tieu

0-4
2950
21,0
0,95
0,70
1,10
0,54

ME (KCalo/kg TA
Protein the (CP) %
Canxi (%)
Photpho (%)
Lyzin (%)
Methionine (%)

Giai down (tuan tuei)

9-19
5-8
2850
2750
14,5
18,0
1,43
1,45
0,74
0,63
0,96
0,71
0,45
0,34

20-72
2700
17,0
3,4
0,74
0,75
0,44

Cie chi tieu theo d5i
Hac diem ngogi hinh: Quan sat tai cac thai diem (01 ngay Wei, 08 tuan Wei va 19 tuan tuei)
ve mau sac long, mao, tich, chan, me...
Ty le nuoi song qua cac giai doan

GA con, ga de-hau bj.

Khei lucmg ca the: Qua cac giai clop tu6i.
Kha nang sinh san: Tuei de qua trimg dau, de 5%, de dinh cao, nang suat trimg/mai/72 tuan
TTTA/10 qua trimg, ty le phoi va ket qua ap no.
Phtrang phap xiir ly so lifu
Cac se lieu thu dugc )(it lY theo phuang phap thong ke sinh h9c tren may vi tinh bang phan
mem Minitab 16 va Excel 2010 tai BO mon Deng vat QuY hiem va Da clang Sinh 116c - Vien
Chan nuoi.

Jai' QUA VA THAO LuAN
I* dam ngotii hinh ga Hic Phong
Quan sat 6000 ga Hac Phong 01 ngay Wei, 5694 ga Hac Phong ket tit& 08 Wan Wei (gem
2924 ga tong va 2770 ga mai); va 2255 ga Hac Phong tai 19 tuan tuei (gem 567 ga tong va
1688 ga mai) cho thay:
Luc 01 tuan tuei: GA Hac Phong co mau long den d'eng that chan va me den, chan co 6 ng6n
va met hang long 6 ng6n ngoai cimg.
Tai thai diem 08 tuan tu6i (quan sat 5694 ga) ga Hac Phong co tam vec nhe clang nhanh nhen,
b0 long 'mac mau den &rig that o ca ga trong va ga mai, me den, chan den co 6 ngen va met
hang long o ngen ngoai cimg, da den, thjt den, mao, tich mau den xam.
Tai thai diem 19 tuan Wei (quan sat 567 ga trOng va 1688 ga mai) a ga treng va ga mai deu
co bq long xuac bong mau den tuyen deng nhat. GA mai tam vec nhe han ga tr6ng (da, me,
chan) den co 6 nen va met hang long MQC o ngon ngoai cimg.
Ga tong Hac Phong co long duel va long canh dai mau den anh xanh, dau to, mao ga treng co
hai kieu mao, mao ca, mao mau tim sam, tich de sam.GA mai mao nu nhe, mau den tim, tich
den xam, dau co chem long tren dinh dau gieng ga Ac nhtmg mau den.

55


PHAM CONG THIEU. Dek clidm ngogi hinh va kha nang san xucitaia ga Hcic Phong

KU ding san xuAt din gi lac Phong
T.)3 re nuoi song WI lieu an that an
Theo doi 3 dan ga H&c Phong nuoi sinh san tai cac nam (2015-2017). Ket qua thu dugc the
hien tai Bang 3.
Bang 3. TS/10 nuoi song (%) va tieu ton thirc an (g/con) qua cac giai doan
Giai doan
0-8 TT
9-19 TT (ga trong)
9-19 TT (ga mai)

Nam 2015 Nam 2016 Nam 2017 Trung binh TB TA/con/ giai
doan (g)
94,75
95,10
94,85
94,90
1698,92
94,50
95,50
93,50
94,50
5808,63
94,17
94,00
93,17
93,78
5363,32

Ket qua the hi0n tren Bang 3 cho thay tSr 10 nuoi song cua ga H&c Phong qua 3 nam a giai
doan ga con, dO-hau bi dat cao tir 93,78-94,90%. Lugng thirc an tieu thu binh quan giai doan

ga con la, 1698,92g/con; giai doan ga do-hau bi (ga trong 5808,63 g/con; ga mai 5363,32
g/con). Ket qua nghien dm nay dm chimg tai ding phii hap v&i ket qua nghien cua cita Pham
Cong Thieu va cs. (2010), tren ga H'mong qua 4 the he ch9n 19c c6 tS, le nuoi song giai doan
ga con, do-hau bi (94,31-96,14%). Neu so sanh A/6i ket qua nghien cua cua Pham Cong Thieu
va cs. (2010), tren cac dan ga H'inong, Ac Thai Hoa,va Ac
Nam tSr 10 nuoi song giai
doan ga con (95,84-97,36%); giai clop 9-19 tuan tuoi 6 ga tong (93,87-96,83%), ga mai
(95,94-98,70%) thi ket qua dm chung tai thap han. Luang thirc an tieu ton giai doan nay ciia
ga HL Phong thap han ga Phu Phan trong nghien cua dm Nguyen Thi Mu6i va cs. (2017),
cho biet thirc an tieu thu giai doan ga con (1831,56 g/con), giai doan ga do-hau bi (ga tong
6341,16 g/con; ga mai 5725,16 g/con).
Kit& hrvng co' thl dan san xutit ga Illic Phong qua cac Wan tad
Qua theo doi 3 dan ga HL Phong nam 2015 - 2016 - 2017 ket qua kh6i lugng ca the ga HL
Phong qua cac tuan tu6i (nam 2017) ducic the hien tai Bang va Bang 5. Can mAu khoang
10% so ga theo doi, rieng tuan 08 va 19 tuan tuOi can toan b0 so ga di mat.
Bang 4. Khoi ltrang ca the ga HL Phong (0-8 tuan tu6i) (g/con) (n=60)

56

Tuan tu6i

Mean± SD (g)

CV%

01 (ngay tu6i)

27,53 ± 2,84

10,32

1

64,83 ± 6,90

10,64

2

99,10 ± 15,18

15,32

3

146,32 ± 16,94

10,31

4

264,93 ± 27,95

10,55

5

350,77 ± 39,95

11,39

6

441,43 ± 45,64

10,34

7

553,57 ± 63,05

11,39

8

666,47 ± 67,18

10,08


VIeN CHAN NUN - Top chi Khoa hoc Cong nghe Chan nuoi - SO 84. Mang 02/2018

Ket qua ten Bang 4 cho thay: Giai doan nay ga dugc an tu do song t6c dO sinh truimg ch4m
den het 8 tuan tuoi khoi lugng binh pan dat 666,47 g/con, day clang la nhugc diem dm nhom
ga thuoc. Song ngugc lai chimg lai dugc ngtrai ti'eu dung men mO, dac,biet la tang lap c6 thu
ket qua nghien ciru cua
nhap cao trong xa hei. Ket qua nghien cfru nay ding pha hop
Pham Cong Thieu va cs. (2010), ch9n 19c nang cao nang suat, chat lugng 3 giong, ga dac san
(ga H'mong, ga Ac va ga Thai Boa) ket thitc giai doan ga con ga H'mong c6 khoi lugng co;
the (653,40 g/con), ga Ac, Thai Hod (386,7-460,20 g/con) va ga Ac Viet Nam (325,4-399,7

ket qua nghien cuu dm Nguyen Thi Muori va cs. (2017), teen ga Phu
g/con). Neu so sanh
Phan trang thi tai 8 tuan tu6i dat khoi lugng (1087 g/con) thi ket qua nghien ciru cua chimg toi
thap han nhieu.
Bang 5. Kh6i lugng ca the ga Hac Phong (9-19 Wan tuoi) (g/con)
Tuan tuoi
9
10
12
14
16
19

Ga Trtmg (n=30)
CV%
Mean ± SD (g)
11,74
768,87 ± 90,26
859,87 ± 91,09
10,59
10,29
963,17 ± 99,11
9,56
1192,00 ± 113,96
10,64
1375,83 ± 146,39
1468,90 ± 147,04
10,01
(n=190)

Ga Mai (n=60)
Mean ± SD (g)
670,50 ± 70,34
733,93 ± 77,14
832,30 ± 90,47
1007,70 ± 119,71
1070,20 ± 119,11
1212,90 ± 118,86
(n=560)

CV%
10,49
10,51
10,87
11,88
11,13
9,80

a

Ket qua ghi tai Bang 5,cho thay: Giai doan nay ga dugc han the khocng the kh6i lugng
theo tieu,chuan nen ket thitc 19 tuan tuoi ga trong dat 1468,90 g/con; ga mai dat 1212,90
tuang ducmg nghien thu cita Pham C6ng
g/con. Ket qua dat dugc ten ga Hac Phong
Thieu va cs. (2010), ten ga H'mong qua 4the
the ch9n 19c tai Trung tam Thuc nghiem va Bao
ton vat nuoi litc 19 tuan tuoi (ga tong dat 1785,90 g/con; ga mai dat 1276,90 g/con)
Tuji thanh thyc sinh dyc
Tu6i thanh thic sinh dic cua vat nuoi phi thuec vao gi6ng va dieu kien ngoai canh. Ket qua
thu dugc the hien tai Bang 6.

Bang 6. Tu6i thanh thvc sinh dvc ga Hac Phong (ngay)
Chi tieu
Nam 2015
Nam 2016
Nam 2017
Trung binh

De 9ua trimg
dau tien
143
140
141
142

TS, le

a dat 5%
154
151
148
151

Ty le de dat
30%
186
184
182
184

TS, le de dat

Binh cao
245
231
238
238

Ga Hac Phong c6 tuoi de qua trang dau tien (140-143 ngay tuoi) tuang dtrcmg vai ga Phu
Phan tang (141 ngay) (Nguyen Thi Mixed va cs.,, 2017); ga H'mong, ga Ac Viet Nam va ga
Pham C6ng Thieu va cs. (2010), cho biet tuoi de qua tang
Thai Hoa trong nghien eau
57


PHAM CONG THIEU. DOc. di6n ngogi hinh va kha nang sem xudt cua ga Hcic Phong

dL ga H'mong (138-141 ngay tu6i); ga Ac Thai Hoa (139-142 ngay), nhung tuoi de dat dinh
cao muOn han ga Phu Phan tang (199 ngay tu6i).
Kith nang de Thing ca a ga Hac Phong
Bang 7. TS, le de, nang suit trimg va tieu ton thirc An/10 tiling (300 mai va 45 trong)
Tun tuoi
21-24
25-28
29-32
33-36
37-40
41-44
45-48
49-52
53-56
57-60

61-64
65-68
69-72
TS, le de BQ (%)
Trans/mai cOng
don (qua)

TS, le de (%)
20,96
40,07
54,50
60,39
53,86
47,79
44,00
43,14
41,57
38,32
34,43
27„64
24,36
40,85

Trang/mai (qua)
5,87
11,22
15,26
16,91
15,08
13,38

12,32
12,08
11,64
10,73
9,64
7,74
6,82

TTTA/10 trong (kg)
4,29
2,50
1,93
1,82
2,04
2,30
2,50
2,43
2,53
2,61
2,90
3,44
3,70

148,69

2,51

Kha nang de tiling va tieu ton till:re An/10 qua trirng cua ga Hic Phong dugc the hien tai
Bang 7 cho thy tSr le de,ciia ga HAc Phong cling tang dan theo tuoi,
hgp vii quy 11*

sinh h9c chung
gia cam va dat dinh cao a tuan tuoi (33-36) (60,39%) sau do giam din.
TS, le de binh quan dat (40,85%) tuang ling vai nAng suit trirng/mai/72 tuan tuoi (148,69
qua) va tieu ton thac An/10 trirng (2,51kg thirc An). Ket qua nghien cull nay cao han ket
qua nghien cau ciia Nguyen Thj Muai va cs. (2017), teen ga Phu Phan trong cho biet nAng
suit trimg/mai/38 tuan tuoi (50,54 qua) va ding cao han nghien ctru cua Pham Cong Thieu
va cs. (2010), tren ga H'mong, ga Ac va ga Thai Hoa c6 rang suit trimg/mai/38 tuan tuoi
lin lugt la (45,9 qua; 36,7 qua va 43,98 qua), ga Hic Phong 38 tuan tuoi co s6 trimg/mai
dat 56,80 qua.
Iwrng va chili hrvng Ening
Khao sat trong ga Hic Phong tai thai diem 38 tuan tu6i, ket qua dugc the hien qua Bang 8.
Kh6i lugng tang ga HL Phong tai thai diem 38 tuan tu6i (44,90g) tucmg ducmg tang ga Lac
Thus/ (45,66g) trong nghien cau cua Vu Ng9c Scm va cs. (2015), va cling tucmg ttr kh6i lugng
truing ga Mong (46,32g) trong nghien ciru dm Ngo Thj Kim Ciic va cs. (2015), va cao han
tang ga Ri trong nghien ciru dm Nguyen Huy Tuan (2013). Cac chi tieu ve chit lugng trimg
dat tieu chu'an trong giong.
58


VII N CHAN NUN - Tap chi Khoa hoc Cong nghe Chan nuoi - s6 84. 'Mang 02/2018

Bang 8. Khei lugng va chat lugng trirng tai 38 tuan Wei (n=50)
Don vi tinh

Chi tieu
Khei lugng trimg
TS, le long do
TS, le long tang
Ty le ve
Chi se long do

Chi se long tang
DO day vo trimg
Dan vi Haugh

g
%
%
%

mm
Hu

Mean ± SD
44,90 ± 3,82
31,65 ± 1,25
58,46 ± 1,85
9,89 ± 0,33
0,43 ± 0,02
0,08 ± 0,004
0,32 ± 0,02
82,85 ± 1,48

CV%
8,51
3,95
3,17
3,34
4,65
5,00
6,25

1,79

gphoi viz kat qua ãp nd' trerng ga 1-14c Phong
Theo doi 3 dan ga Hie Phong (nam 2015 - 2016 - 2017) s6 trimg dua vao ap dugc thu tir (2938 tuan tu6i), v&i tong so trimg theo doi la 32.880 qua. Ket qua thu dugc the hien tai Bang 9.
Bang 9. Ket qua Ap nc'c trimg ga Hie Phong
Chi tieu
Trimg ap
s6 ming co phoi
TS, le phoi
Se ga con n6 ra
TS, le no/tang ap
TS/ le n6/trimg c6 phoi
Se ga con loci 1
Ty le na ga loaf Meng trimg ap

Dan vi
tinh
Qua
Qua
Con

Con

Nam
2015
10412
9360
89,90
7971
76,56

85,16
7492
71,96

Nam
2016
10960
9788
89,31
8692
79,31
88,80
8270
75,46

Nam
2017
11508
10480
91,07
9132
79,35
87,14
8780
76,29

Tong se
32 880
29 628
90,11

25 795
78,45
87,06
24 542
76,64

Ket qua the hien tai Bang 9 cho dia.)/ tS, le trimg c6 phoi cua ga Hac Phong khong cao (89,3191,07%); t5, le na/teng trimg c6 phoi dg (85,16-88,80%). Ket qua nay ding phil hgp vai ket
qua dm Nguyen Thi Muoi va cs. (2017), tren ga Phu Phan trang cho biet ga co tST le phoi
(90,19%); tST le n6/tong trimg Ap (78,96%) va tST le nor ga loai 1/trimg Ap (72,12%). Ket qua tai
Bang 9 ding cho thay tS, le trimg c6 phOi, lc& qua ap n6 deu phu hgp vai mgt se gieng ga ban
dia va ga thuoc 6 nu& to nhu ga Ac, Thai Hoa, H'mong, Phu Phan, M6ng, Mia, HO va ga Lac
ThuSr .v.v..
HiP qua kinh ti nuoi ga 114c Phong sin!: san
De nhan Ong mo hinh chan nuoi ga Hac Phong sinh san nham cung cap con gi6ng cho san
xuat than nuoi ga ILL Phong hieu qua. Chung toi sa b0 hach town hieu qua kinh to nuoi dan
san xuat ga HL Phong the hien tai Bang 10.

59


PHAM CONG THIEU. D c didm ngogi hinh va khci nang san xudt czia ga Hac Phong

Bang 10. Hieu qua kinh to nuoi ga Hac Phong dan san xuat
Dien giai
A. Plan chi (1 ga mai/72 than tuoi)
1.Tien con giiing 01 ngay tuoi loai 1
2. Tien thtrc an (0-72 tuan tulip
+ Thtk an ga con - d6 Nu bi (0-19 tuan tuoi)
(7,06kg/con x 14.000 ding/kg)
+ Thirc An ga de (20-72 tuan tuoi)

(38 kg/con x 13.000 ding/kg)
+ Thirc an ga tr6ng (3,8 kg x 13.000 ding/kg)
3. Dien, ntrot, thu6c thit y, vacxin
4. Vat re mau hong
5. Cong lao ding khoa hoc, phi th6ng
6. Cong ap trimg (136 qua x 500 d/qua)
7. Vaxin marek ga con (104 con x 1000 d/con)
B. Phan thu (d)
1 Ban ga gi6ng (s6 ga loai 1/mai mg (104 con)
(104 con x 15.000 d/con)
2. Ban trimg loai ap (12 qua x 2000 d/qua)
3. Ban ga mai loai thai (1,4 kg x 60.000d/kg)
C. Can dili thu-chi (d/mai)

DV tinh
d/con
d/con

Thanh tien
(VND)
1.098.740,0
30.000,0

d

98.840,0

d

494.000,0

d
d/con
d/con
d
d
d
d

49.400,0
41.500,0
15.000,0
198.000,0
68.000,0
104.000,0
1.668.000,0
1.560.000,0

d
d
d

24.000,0
84.000,0
569.260,0

Neu tinh soy bi theo bang tren thi nuoi 1 ga mai Hag Phong sinh san to (01 ngay tuoi den 72
tuan tuoi) se thu lai khoang 569.260 d/lmai. Day ding la thCri gian gia thirc an chan nuoi cao,
hien tai gia thirc‘An chan nuoi chi con 9.000 - 10.000 d/kg thi chart nuoi ga Hac Phong con
hieu qua him nhieu.

KET L1JAN VA DE NGHI
Ket Wan
Dac di'jm ngogi hinh: Ga Hac Phong litc 01 ngay tuoi có bi long mau den ding nhat, chan va
mO den, chan có 6‘ngon va mOt hang long chan Non ngoai ding. Tai 8 va 19 tuan tuoi ga
tong va ga mai deu cc!, b6 long xtrac mau den tuyen &mg nhat, ga mai tam \toe nho hart ga
tr6ng, da, m6, chan mau den. Chan co 6 ng6n va 1 hang long twc a ngon ngoai ding. GA
trong Hac Phong co 02 kieu mao, mao ca, mao nu, ga mai da phan la mao ng, mao tich mau
den xam, tich do dam. Ga mai Hac Phong có chum long tren dinh dau gi6ng nhtr ga Ac nhung
mau den.
Khci niing sinh truong: IQ& ltrang ga Hag Phong Mc 8 tan tuoi dat trung binh tiling mai la
666,47g/con. Tai 19 tuan tuoi ga trOng dat (1468,90 g/con), ga mai dat (1212,90 g/con; tSr le
nuoi song (0-8 Wan tulip dat 94,90% va (9-19 tuan tuoi) ga tong 94,50% va ga mai 93,78%.

60


VIN CHAN NUN — Tap chi Khoa hoc Cong nghe Chan nuoi — St) 84. Thdng 02/2018

Kith ming sinh san: Tu6i de qua tiling dAu tien cua ga frac Phong (140-143 ngay tuoi); ty le
de dat 5% (148-154 ngay) va tuoi de dinh cao (33-36 tuAn tuoi). Nang suAt trimg/mai/72
tuAn tuoi dat 148,69 qua tucmg itng tY le de (40,85%); tieu ton thirc An/10 trimg, (2,51kg); ty
le long do trUng dat (31,65%); tY le ph8i (89,31-91,07%); tY le no ga loai 1/tong tong ap
dat (76,64%).
De nghi
Cho pile') chuyC'n giao ga Hac Phong b6 me vao phat tritn chan nuoi ga Hac Phong sinh san
va nuoi thit.
TAI LIEU THAM KHAO
Ngo Thi Kim Cdc va Nguyen Thanh San. 2017. Danh gid ddc diem ngoai hinh va kha nang san xuAt cua dan ga
Mang hot nhan the he 4 nuoi tai Ha Nam. Top chi Khoa hac Ong nghe chan nuoi, so 81, than 11/2017,
tr. 24-37.

Nguyen Thi Mu&i, Both Manh Dieu, Pham Thi Thanh Binh, Nguyen Trung Hieu, Nguyen Thi Thanh Van,
Nguyen Van Tam, Da° Doan Trang va Ngo Thi T8 Uyen. 2017. Ket qua buac dau nghien ciru kha nang
san xuAt cua ga Phu Phan tang nuoi tai Trung tam Thuc nghiem va Bao din vat nuoi. Bdo cao khoa hac
nam 2015-2017. Phan Di truyen-giong vat nuoi. Ha N6i, thang 7/2017, tr. 261-270.
Vu Ngac San, Tran Quec Hang, Nguyen Thi Hai va Nguyen Van Tam. 2015. Ket qua nuoi bac) ton ga Lac Thus/
cac the he tai VinChan mai. Bdo cao khoa bac nam 2013-2015. Phan Di truyen-gieng vat nuoi. Ha
N6i, thang 9/2015, tr. 106-118.
Pham Cong Thieu, Vu Ngac San, Hoang Van Tieu, Nguyen vitt Thai lid Iran Kim Nhan. 2010. Chan lac nang
cao nang suAt chAt Luang ga H'mong. Bao cao khoa hac nam 2009. Phan Di truyen - giOng vat nuoi. Ha
N6i thang 11/2010, tr. 269-279.
Pham Cong Thieu, Vu Ngac San, Le Thi Thug Hang, Tran Kim Nhan, Hoang Van Ti'eu, Phung DCrc Tien,
Nguyen QuSt Khiem, Nguyen Thi Mutyi va Trail Long. Chan lac nang cao nang suAt chAt Luang 3 giong
ga ddc san (H'mong, Ac, Thai Hod) va )(de dinh to hap lai gift chfing. Bdo cao ten ket Bq Nang
nghiep va PTNT.
Nguyen Huy Tuan. 2013. Kha nang san xuat cua t6 hap lai gift ga Ri yang ram Ad ga Ri lai (7/8 Ri yang ram va
1/8 Luang Phugng) nuoi tai Troi That nghi.em Lien Ninh. Luan Van Thoc sy Nong nghiep, Hac Vien
Nong nghiep Viet Nam.
Ngay nhan bai: 28/1/2018
NO), phan bien danh gia: 02/2/2018
NO), chap nhan Clang: 28/2/2018

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