Tải bản đầy đủ (.ppt) (18 trang)

kỹ thuật nuôi cá thác lác

Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (465.63 KB, 18 trang )






Gio viên hưng dn: 
Nhm bo co:  
!"#
$
"%
&"$'

(

)*+, 
(

/01
23

42)560)74
8/9

/()
4-/:;+<=6

(

/0123

42)560)74


>?@9A.B)C<9D1CE/-)
-
Phân loi:
,(

0/F)+A.00)G.H6F0
7./</FH)IJF
)1+./</FH0
.K)./</FH0./</FH0
-
Phân b:
(+J6LKJ6:K.CJ6<4)JC-)JC
)J6JHCJAJM)JC2N.O6J/HJCPJLJ???QR)

/J64-4S<9
D1/TUN+,E/HVLK.
-01+/H.+WX/4-4A.B)E/YLZ4:[4+7/C4K
/H.+:[4)56<\]LK/H.+L^+)5663

]

-
Hnh thi:

-4_6K0-6DB4C<WA:+;)29

6

-4.4_>`a>bLB429


6+J+/9

-/H:V+/K4_ca>`2162FC/9EI]<+J+CL)
A:+;)(A?)

+;)(HJCd(+4.He/CA:fDg+
DhCLNi<Y/.K/9C6j/A[LTJA

4L63

/A:+4YJ
2W


-
Va ht noãn hon30)
L9

/<^I4_dk4/:[4
iC0J2_32(

+L9

/<^
IAK4k?
-
Trưng thnh/(

4_6
3/B</)L2(


+L9

/?
-4_/534(/H^+C+)-<
M-4C<)0)CH5/Z4L9

/
/Y0)C<^I2(

+
L9

/C4-4.C5/5C
6^DNl4;LKD^2-?
m?3

42)56I)I:n+

o?3

42)560)/H:V+
a-4_dk4/:[4A[C
/3+/H7+JC()
6(

/36/p)2B//H7+
A:q+/T
r``+s>d+t4.?


c?3

42)560)0N
a-/K0)Ig4LK.36/um/HV2)C/(

4A.K)
2v/Hu+Ik?
-
-Dj/2W0)0NLK.2W6^J6:JC/9

</H+/T
/-+bawK+364_/5dh.IK)2X/-+>>?
aOu40)0N/:;+21)/T>o?```sm`?```/H+td+?
aW6^Jb``a>?```/Hu+t4./^dk44V4-A[
Ji?

8/9

/()4-/:;+<=6
>?=DxJ.()
aAo c tht lt4_I)

/k4/Tm``6
m
/HVAC2(

09/T>?bam?b
aBờ ao:<N)4j44jCd(+67)C<N)4J.;2S:[4AyK+
36`Cb6CJ.<N)4Y2z+4{<LK/ /:[4?
- Cải to ao/-/4B:[4CDj/X/4-/B<C4-I|C0Lh/A[<D^2-J.C

D_L()}a>`d+t>``6
m
C<;)2-J.>am+KLKA74:[4LK.J.Cma
o+K/)XK/N4-?
-C# th$: 4{/6(

/k/4KV+_4J.254-={<LK.DJ+KLK/)

4.
L)

42-Dj/

- Nuôi ao:Tbs>b4.t6m
- Nuôi ruộng:
aT`Cbt6m/~Ig++•/u43/Z)/HHz+
a1)L[)Hz+()4-2W/:/u434_/5/No4.t6m?
ah</64-O€4•msc4.t6mC/~Ig+/u43I:
/TJ4YJ4--/-/?
m?-4474-+)1+
-
-
C ging
C ging
:
:


@N)2•+2Cd(+6J+D/~/C4-+)1+4_4)
@N)2•+2Cd(+6J+D/~/C4-+)1+4_4)

IK)/Trsw46?
IK)/Trsw46?
a
a
Thả c:
Thả c:


+96DJ.4-d.N+>b<e/0-//H^+D•+:[461)
+96DJ.4-d.N+>b<e/0-//H^+D•+:[461)
d.N+o
d.N+o
`
`
t
t
``
``
/H.+>b<e//N4-
/H.+>b<e//N4-?
o?~/2z()

c?-44.3
aThng đầu tiên:u43/:;)01+‚J41)M9dX/Ik
D•+Dz/+ƒC/u43<N)/:;)d(+Dx/1)?
-Thng thứ 2:u434XD)X/K<=64-/:;)
}`„…4-6m`„…/{6w„…m„Dz/+ƒ?
- Thng thứ 3:4.IXd)/.B4Dz/4-m`„…4-
/:;)co„…4-6C/{6ob„…m„Dz/+ƒ?.€44-/:;)
r`„…4-6C/{6ow„…Dz/+ƒm„


-
Thời gian cho ăn:
mAWt+KC0-+ws†+)f4.>toC4)>cs>}+)f4.
3mtoI.4-.B/2z+6BL26Dp)4)<N)4.
3);
Nên:
4.4-30KC6‡)J.2€//Tcsr0KC0K34W41
2x254.4-32?
Khẩu phần ăn:
cs}„/H7+A:q+()/^/F.+)J)2.B<-//H)5
4YJ4-6K2)4SA:q+/u434.<^q<?
ws†+)f0-+ >cs>}+)f4)

b?360_4LK‚NAˆ
-Hằng ngy: :f+M/F.I‰)
dN3+Dj/6•)4YJ4-25/3+
J+)N6A:q+/u434.<^
q<Cd(+25/)XJ/TJ
/u436KAK6N:V+2X
4-()LKAK6()Š66()
/H:f+:[4
-Nên:)56/HJDfJ.C41+/ /:[4
|++K6:J/.+)_A[LK.
2W6^J6:J
-Những ngy mưa nhiều:I^+L()
Dz//Tmscd+L()t>``6
m
<JLK.
:[4C/B/2dj<;)25<ƒ+

D‹LK+)N62z<\

ŒO•,Ž••‘@

,‹{6/Y6)4_/5dˆ0)LK+9B)A[4.
4-4A.K)4-:[4+7//T/Hu+’/H.+/HB)0NM{/
+)1+“2X+)J)2.B4-/x/?
Hình dạng nấm thủy mi
@ƒ+/HxD


-
*^+MJ6JAJ4)/F’4{6
0lIg+“`?>b<<6C<?
-
JAm?b„/H.+>`a>b<e/C
.3

4>„/H.+m`<e/?
-

c
>``<<6+962X
d)4-0/HF00C.3

4>`<<t>b<
-
”.H6JA)>```am```<<6t>b
<e//Hx/Hu+Dx)56
{6???


,‹/H^+D-MFa/H)4.I).0)0

9D‹/H4-
:;+C+)1+/H.+J.
4_6~/2z4J.
-
@ƒ++)l0B4J.C69

/
2(

:;+()d(+
‚-IK
-
HxOA<J/
2•+’O
c
“+964-
L[)•+2(

`?ba`?}+t6
o
?
j6mao+t6
o
/H.+ba>b
<e/?*^+Jmao„
/j6ba>b<e/


,‹AVA.h/’z)4u+Ix4D‹AV
A.h/“

-49+9D‹{6
dk0)/H.+z)/B+
<J.64F0?^JLg
M{/)‹41)6^J6:J
LK2W6^Jd(

,)5)‹4-3k/.€4
Di3C.B/2(

+4~6
4B<C;)(2WA
6B/:[4?IJM-6AB)C4_
LX/A.h/.€44-42162i
<-//H)5V2WC/9C4-4
L9LK2()?
-
@•+/HxD

+K
2WI^+0GJ6)/>`a
>b+/H(

/u434.
>``d+4-D

C/T+K
/uJ)2h/u0-

A:q+/14+)N62)
6(

/lJ?
-
*^+4•)1/DN.ƒJ
D()/HZ4/)X<LK.LX/
A.h/6‡)/W6(

/AWC
/Z4)

L-)DJAW


9B)4k4.4-:;+C4-+)1+?

+96~/2z‚-IWC:[4D=C</{<C/u4
3/)XLKdh64{/A:q+•
,‹/H^+H.)a4.0/).0)0

r?.B4
-Sau 7 – 10 thng nuôi:--/-/ƒ6
/:f+2B//T}``+s>d+t4.?)XK/
.B44-/:;+<=6

Tài liệu bạn tìm kiếm đã sẵn sàng tải về

Tải bản đầy đủ ngay
×