DI TRUYEN - GIONG VAT NUOI
Ltn
CAM ONDe tdi ndy dugc tdi trg bdi Du dn Ndng ca'p Truimg Dgi bgc Can Via VN14-P6 bang ngudn vd'n vay ODA tir Chinh phii Nliat Bdn.
TAI UEU THAM KHAO
1 Appleby M.C. and B.O. H u g h e s (1990)- C a g e s m o d i h e d with p e r c h e s a n d nests for the i m p r o v e m e n t of bird welfare. World's Poult. Sci.),, 46 38-40, Z. Bamett J.L., Tauson R., D o w n i n g J.A., Janardhana V.,
Lowenthal J.W., Butler K.L. and Cronin G.M. (2009) T h e effects of a perch, d u s t bath, a n d nest box. either alone or in combination a s u s e d in furnished cages, o n the welfare of laying hens, Poult S c i , 88:456-70.
3 Donaldson CJ. and O'Connell N,E. (2012), T h e influence of access t o aerial p e r c h e s o n fearfulness, social b e h a v i o u r a n d p r o d u c t i o n p a r a m e t e r s in free- range laying hens, A p p l , Anim, Behav, Sci-, 142' 51 -60 4 Enneking S.A., Cheng H.W., Jefferson-Moore K.Y.,
Einstein M,E., Rubin D . A . a n d Hester P,Y. (2012).
Early access to perches in caged White L e g h o r n pullets, Poull. Sci., 91: 2114-20.
5 Estevez 1., N, T a b l a n l e R.L, Pettit-Riley a n d L. C a r r (2012), Use of Cool Perches by Broiler Chickens, Poult, Sci,, 81: 62-69,
6 Faure J.M. and Jones R.B. (1981) Effects of sex.
strain a n d type of perch on perching b e h a v i o u r in the
d o m e s t i c fowl. A p p L A n i m . EOieL, 8:281-93 7 Faure J.M and R.B. J o n e s {1982a), Effects of sex,
strain a n d type of p e r c h o n perching b e h a v i o u r in t h e d o m e s t i c fowl, A p p L A n i m . EOiol,, 8; 281 -93.
8 Faure J.M. a n d R,B- J o n e s (1982b) Effects of ago, access a n d time of d a y o n p e r c h i n g b e h a v i o u r in die d o m e s H c fowl. AppL Anim- EthoL, 8: 375-64,
9 Hester P.Y., Enneking S.A-, H a l e y B,K., Cheng H.W..
E i n s t e i n M.E. and Rubin D-A (2013), T h e effect of perch availabiht}' d u r i n g pullet rearing a n d egg laying o n musculoskeletal health of caged White Leghorn hens, Poult- S d , . 92 1972-80
10. H u g h e s B. O. and H. A- Elson (1977), T h e use of p e r c h e s b y broilers in floor p e n s , Br, Poull Sci, 18. 715-22.
11. H u g h e s B . 0 - , W'Uson S-, A p p l e b y M.C. and Smith S.E (1993) C o m p a r i s o n of b o n e v o l u m e a n d s t r e n g t h as m e a s u r e s of skeletal integrity in caged laying hens with access to perches. Res, Vet. Sd-, 54, 202-06, 12. Jiang S., Hester RY., H u J.Y, Yan EF,, D e n n i s R.L. and
C h e n g H.W. (2014). Effect of p e r c h e s on liver health of h e n s . Poult S d . 93-1618-22
13. Le Vii Khoi va Le N g u y e n N h ? ! (2012). G i a o trinh tgp tinh hgc d g n g vat. NXB Giao d u e Vigt N a m , Trang 8-23, 14. N g u y e n H u y T i r o n g , C h u n g Hiru N g h i va D o V 6 Anh Khoa (2018)-Mgt so d a c diem cua ga N h a n C h a n Xanh a Ca M a u , T a p chi K H K T C h a n n u o i , 232- 18^23, 15- Pettit-Ritey R-L. a n d L Estevez (2001), Effects of density
on perching behavqor of broiler chickens, Appl A n i m Behav Sd,, 71:127-40-
KHA NANG SINH T R l / d N G VA THU NHAN THLTC AN CTJA MQT SO NHOM BE LAI Hl/ONG THJT TAI TIEN GIANG
Duang Nguyin Kliang'*, Bdi Vdn Himg^, Tlidi Qud'c Hieu- vd Nguyin Thanh HdP N g a y n h g n b a i b a o : 11/03/2019 - N g a y n h g n b a i p h a n b i e n : 30/03/2019
N g a y bai b a o d u p c cha'p n h a n d a n g : 14/04/2019 T O M T A T
Thi nghiem t h u c hien n h a m d a n h gia kha n a n g sinh I r u d n g a i a 3 n h o m b e lai chuyen thit F|(BBBxSindhi), F^(Red AngusxSindhi) va F|(CharolaixSindhi), giai d o a n tir s o sinh den 12 thang luoi, trong dieu kien chan nuoi n o n g hp tai h u y e n C h p Ggo, tinh Tien Giang, tir Ihang 1/2017 den thang 2/2018. Thi n g h i e m d u p e bo tri theo kieu h o a n loan n g a u n h i e n 1 ye'u to gom 3 n h o m be lai neu tren, trong thoi gian 12 t h a n g . Ket qua cho tha'y kho'i l u p n g so sinh ciia nhom be lai F|(BBBxSindhi) cao n h a t la 30,33kg, k e d e n la n h o m Fj(CharoIaixSindhi) la 29,77kg va tha'p nha't 6 be lai F,(Red AngusxSindhi) la 23,83kg (P<0,001). Khdi l u p n g luc 3, 6, 9 va 12 t h a n g tuoi cho tha'y be lai F,(BBBxSindhi) van cao n h a t lan lupt la 110,53; 183,14; 228,17 va 298,87kg; ke den la n h o m be lai F|(CharolaixSmdhi) Ian l u p t la 86,9; 165,31, 211,54 va 268,43kg; va thap nha't 6 n h o m F,(Red AngusxSindhi) Ian lupt la 65,02; 131,03; 199,11 va 185,89kg (P<0,001), Sinh I r u d n g tuyet doi 6 giai
' Tnrcmg Dai hgc N o n g lam Thanh pho' H o Chi Minh
• Chi d i e T h u y Tien giang
• Tac gia lien h ? : D u o n g N g u y e n Khang - Trung tam n g h i e n ciru va c h u v e n giao K H C N - T r u o n g Dai hgc N o n g lam t p . H o Chi Minh. Dien thoai- 0989390179. Email: dirongnguyenkhang(y gmail-com
DI TRUYEN-GIONt \ A X
NLiOldogn 9 deh 12 thang tuoi cao nhat d nhdm be lai F,(BBB\Sindhi) la 0,79 kg a W n g a y kc ' ' • : " . , j ^ be Iai F,(Charolai-xSindhi) la 0,63 kg con nga\ \ a Uiap nhat d nhom be Iai V^{Red .-Xngu^^-'"
0,52 kg/con/ngay (P<0,001).
Tir khoaj BBB^Snidhi. Oiarvlats'SindJn. Red AngusxSindlu. Stnb tntdng Iny^' ''"' '''"*
nhdn.
ABSTRACT
Growth performance and feed intake of three beef crossbred calves in Tien Giang p The aim of this studv was to evaluate the growth performance ot high-yielding cro>'- F,(BBBxSindhi), F,(Red AngusxSindhi) and F,(Charolaix5indhi) h o m neonata^ '".'^JJ^'^e" e " m e n t at smallholders of Cho Gao distnct, Tien Giang province from J.m 2017 to Dec 21'1S. T ^ P ,^^^^
was carried out into a completely randomized design with 3 groups ot cnissbred ca \ e ^^^^
12 months. The results shown thai birth weighl ot crossbred F|(BBBxSindhi) ^v-i^; t'T- "JS^
30.33kg, followed by F,(CharolaixSindhi) with M 77kK and F,(Red AngusxSindhi) witti /:i-0 b (P<0.001) At the age of 3. 6, 9 and 12 months, body weight of crossbn'd F,(BBBxSindhi) was highest with 110-53,183 14, :2«-17and 2-> -^rk^, u-spcctivch': followed by F,(CliarolaixSindhi) w tli 86.9, 165.31, 211.54 and 268.43kg. respectixclv, .nui the- lowest in crossbred F,(Red Angusxbmang with 65-02,131.03, 199-11 and 185-89kg; respectively (P<0.001)- Average daily gain at 9 to 1^ "lontli was Ihe hif;)u-si with Ihc F,(BBBxSindhi) u-ith 0.79 kg/liead/day, followed bv f'l'*^'^*''™^'':^-;" . ' IV ith 0 h- kg h e l d 'day and the lowest in F,(Red AngusxSindhi) u ilh 0 52 kg/lioad/day (PO-OOl),
Keywords: F/BBB'Sindbi). F,(Charolais'Sindbi). F/Red Angtis'Sindht). growth rate, feed intake.
I.eATVANBE
O Vipt N a m noi c h u n g va T i i n G i a n g noi rieng, gid'ng b o d u p c n u d i c h u vi'U la lai Sindhi va b o V a n g (bd ta) co gia trj k i n h t e ' l h a p Ca hai g i d n g b d Iren d e u h g n che v e taim vdc va m u c d p s i n h t n r d n g . Bd V a n g cai cd khd'i l u p n g la 180-200kg va con d y e la 250-300kg, v d i ty Ip thil xe chi k h o a n g 38-42".. ( H o a n g Kim Giao, 2018). Trong Iiic d d , bo lai Sindhi cai I r u d n g t h a n h la 250-350kg va 4OO-550kg d c o n d u e , vdi tv Ip thil xe t r u n g b i n h 40-15"{>.
P h a t Irien d a n b d dja p h u c m g d cac n u d e nhipt d d i c h u v e u d i / a h e n c d n g thiic lai giua d a n b d cai dia p h u c m g d a thich nghi vdi dieu kipn k h i h g u va c h a n n u d i t r u y e n Ihong vdi tinh b d n g o a i n h g p npi d a cho ket q u a rat tot v'l CO m i Ihe'lai- Dieu n a y d a g d p p h a n d a v n h a n h kh.i n a n g s a n x u a l thil cao san cho gidng bo dia p h u o n g . Tuy n h i e n , cac ket qua tren v a n cdn h a n ehe d o m p l s o d d n g linh n h a p npi e h u a d u p c Hep c a n de'n. \ ' i vgv, can phai co n h u n g n g h i e n c u u n h i e u d e ghi nhan ket q u a san x u a t t h u c t e h e n cac d o n g h n h mdi nav.
\ u a l p h a t tir \ eu eau dia p h u o n g . d o n g
thdi d c CO eo s o khoa hpe cho vipc k h u y e n cao phdt trien chan nuoi bo thil n a n g sua't v a cha'l l u p n g cao tgi cac dja p h u a n g q u a v i e e x a c d i n h kha n a n g sinh t r u d n g p h a t h i e n v a l i e u t h u t h u c an eiia ba n h d m b e lai F / B B B x S i n d h i ) , F,(CharolaixSmdhi) va Fj(Red A n g u s x S i n d h i ) . 2. VAT LIEU VA PHOONG PHAP NGHIEN euro 2.1. T h 6 i g i a n va d i a d i e m
Dan b e lai F,(BBBxSindhi), F|(CharolaixSindhi) va F,(Red A n g u s x S i n d h i ) , d u p c nuoi tgi cac h d c h a n n u o i t r e n dia b a n h u y e n C h p G a o , tinh T i e n G i a n g , tir t h a n g 01/2017 d e n 02/2018
2.2. P h u c m g p h a p
Thi n g h i e m d u p c b d h i I h e o k i e u h o a n loan n g a u n h i e n m o t y e u td': 90 b e s o s i n h ciia 3 n h o m b e lai t u o n g u n g v d i 3 16 k h a o s a t h o n g 12 t h a n g . T a t ca 90 b e lai n a y d u p c s i n h ra hi' b d m e lai S i n d h i d u p c g i e o tinh n h a n tao vdi 3 g i d n g t r e n ; b e d u p e a n k h a u p h a n g i d n g n h a u lgi h p e h a n n u d i va d u p c lii-m p h o n g b e n h v a c c i n e Id m d m l o n g m d n g F M D va ty h u y e l t r u n g l u c b e d u g c 1 t h a n g tu('>
Ki.ik'T Chan nuoi so 246 - ihdnn 7 / /» jn i
P I T R U Y E N - G I O N G V A T N U O I _
Bang 1. S o d o b d tri thi n g h i e m
Nghi&m thuc F,(Red AngusxSindhi) F(CharolaixSindhi)
So' lu^ng (con) Tuoi (thang) Phuang thlic nuoi duong
u - 1 2 Bii me va an ty do theo
khau phan trai
30 u - 1 2 Bii m^ \-a an tu do theo
khau phain trai
Bu me va an tu do theo khau phan trai Bang 2. D i n h m u c an cho b e s o s i n h d e n 4 t h a n g tuoi
Thang tuoi Thlic an tho xanh Thirc an tinh
0-3 3-(i 6-9 9-12
kg/be/ngay kg/be/ngay kg/be/ngay kg/be/ngiiy
Bii mg tu do Bii mg Uf do Cai siJa Cai sua
Tudo T u d o T u d o Tir do
0,25 0,5
2.3. Chi Heu t h e o d o i
Khd'i lugng co thi: Be d u p c can r i e n g t i m g con d cae thdi d i e m s o sinh, 3, 6, 9 v a 12 t h a n g tudi b a n g can dipn t u v a o b u o i s a n g t r u d c khi cho b e a n . T a n g khoi l u p n g (TKL) d u p c xac djnh d y a v a o kho'i lu'png cuo'i ky v a kho'i l u p n g d a u ky.
Sinh tnrdng tuyet doi ( g / e o n / n g a y ) : T i n h theo t h a n g t u d i du'pc xae d i n h t h d n g q u a kho'i lu'png b o l i n g v d i l i m g giai d o g n luoi,
Smb trudng tuyet doi: D u p e l i n h t h e o cong t h u c :
P.-P, A (g/con/ngay) = • Trong dd: A Id sinh trifdng tuyet doi, PI Id kbdi lirgng bd cdn tgi thdi diem T^ (g), P2 Id khoi hrgng bo cdn tgi tbdi diem T, (g), tbdi diim T^, T, (ngdy).
Lugng cho dn vd thirc dn thira: D u a c can h a n g n g a y d e xac d i n h l u p n g t h u c a n t h u n h g n : L u p n g thi'rc a n t h u n h a n = L u p n g t h u c a n cho an - L u p n g I h u c a n thiia.
Hicn qud sir dung Ibirc dn (FCR): D u p c x a c d i n h I h d n g q u a l u p n g thiie a n t h u n h a n v a TKL d m d i giai d o g n ludi,
2.4. X i i l i s d l i p u
So lipu d u p c x d Iy tho'ng k e h e n p h a n m e m M i n i t a b v e r s i o n 16,2 b i n g A N O V A , C a c gia tri t r u n g b m h d u p c so s a n h b i n g h S c
n g h i e m T u k e y va s u k h a e b i e t ed y n g h i a k h i P<0,05,
3. KET QOA VA THAO LOAN 3.1. K h d i l u c m g c u a b e
Khd'i l u p n g (KL) t r u n g b i n h c u a b e lai s o s i n h cao n h a l d n h o m F|(BBBxSindhi) la 30,33kg, k e de'n la n h d m b e lai F | ( C h a r o l a i x S i n d h i ) la 29,77kg; va tha'p n h a l d n h o m b e lai F;(Red A n g u s x S i n d h i ) la 23,83kg (P<0,001). Khd'i lucmg s o s i n h ciia cac n h o m b e lai m a c h u n g tdi k h a o s a t d a cho tha'y d e u c a o hem s o v d i kho'i l u o n g s o s i n h ciia b e gio'ng b d V a n g Viet N a m va b d lai S i n d h i d a d u p c n u d i d Viet N a m ( N g u y i n H i r u V a n v a ctv, 2009).
T u o n g tu, k h d i l u p n g c u a cac n h o m b o lai n a y l u c s o s i n h d e u e a o h o n s o v d i khd'i l u p n g e u a b e lai S i n d h i v a t u o n g t u v d i kho'i I u g n g ciia b d lai Yl R e d A n g u s h o n g thi n g h i e m cua D i n h V a n T u y e n v a ct\' (2010). Kel q u a d a eho tha'y iru t h e cua viec lai l a o d a l a n g d a n t h e o thdi g i a n . Rd r a n g , c a n liru y n h i e u h o n h o n g viee c a n dd'i va b d s u n g d i n h d u d n g d e cai l a o k h a n a n g s i n h h u d n g p h a l trien c u a d a n b e lai dia p h u o n g . O eae giai d o g n 3, 6, 9 v a 12 t h a n g tud'i k h d i l u p n g c u a n h o m b e Iai Fj(BBBxSindhi) d e u c a o h o n s o v d i hai n h o m b e lai d a k h a o s a t c o n lai (F<0-001). P h i i n g Q u a n g T r u d n g v a ct\' (2018) k h i k h a o s a t d n h o m b e tai F (BBBxZebu) d a c h o Ihay khd'i l u o n g c u a b e s o s i n h tha'p h o n k h a o s a l n a y c u a c h u n g ldi la 29,9kg; n h u n g c a o h o n rat n h i e u d n h d m b e
DI TRUYEN-GI6N ^ W-^
lai F (BBBxHolstem Friesians) la 45kg. Khdi lupng b'lnh quan cua bd lai F|(BBBx2ebu) o 3, 6, 9 va 12 thang tudi cao han so vdi khao sat cua chung tdi lan lupt la 120,2; lti5,S, 25^,5 va 321,7kg; d nhdm bd lai F,(BBBxHolstein Friesians) ed ket qua tha'p hem d 3 va 6 thang tudi, nhung lai cao hem rihieu o 9 va 12 thang tudi lan lupl la 109,1; 163,3; 256,3 va 355,8kg
•OlS) Ketq"^
khdi lupng cua cae nhom bo lai nay'»^ ^
— - . ,1PII cao tion diem 3, 6, 9 vi. 12 Ui.ing tiiai cuni, aeu
• c- Ahi va luong so vai khoi I w n g cua be lai Sinaro ^ tv voi khoi lu(mg ciia bo lai '•-!""" '^'. ^^° ^ trong thi nghiem cua Dinh \'an Tuyen (2010).
(Phimg Quang Tmong va
Bang 3, Khoi Itrgng binh quan cua be 6 cic 16 thi nghifm
Tuoi (thing) 0 3 6 9 12
F, (BBBxSindhi) 3033*13,07 110,53^10,77 lS,\l4-:lt>„17 228,17110,83 2'iS,87'-IS IS
F,(Red AngusxSindhi) 23.83'-±l,49 65.02'±3,18 131,03'±-J,(>5 139.4 r±lll,tlH IS^.S-J^llLSh
F, (Charoiai\Sindhi)___
2U,77-!:3.09 8fi.06''±6,14 165,3 l'-±l 3,31 21i,54''±7.39 26S,43''±16,11
Sinh trudng luypt dd'i ciia cac nhdm be lai tuy co bie'n dpng, nhung nhdm be lai F|(BBBxSindlii) van to't hon so vdi hai nhom be lai edn lgi. Giai dogn 9-12 thang tudi da cho thav sinh trudng tuypt dd'i cua be lai F|(BBBxSindhi) cao nhal {0,79 kg/con/
ngay); ke' deh la F,{CharolaixSindhi) (0,63 kg/con/ngay); v'a tha'p nha't d nhom be lai F|(Red AngusxSindhi) la 0,52 kg/con/ngay (P<0,001). 'Tang kho'i lupng loan ky da cho tha'y sinh Irudng tuypl ddi cua nhom be lai F,(BBBxSindhi) cao nha't, dgt 0,75 kg/con/ngay;
ke de'n a nhom be lal F,(CharolaixSindhi) la 0,66 kg/eon/ngav; va thap nhat o nhdm be lai F,(Red AngusxSindhi) la 0,45 kg/con/nga}'.
Sinh irudng hiypl ddi ciia cac nhom bo lai nay da cao hon sinh hudng hiyet doi cua nhom be lai Sindhi, va hirong tii' vdi kha nang smli trudng Clia eac nhom bo Brahman va Drou- ghtmaster trong thi nghiem ciia Nguyen Qudc Dal va elv (2008)- Tlieo khao sat ciia Dinh Van Tuyen va ctv (2010) tren nhom be lai Drought Master da eho tha'y TKL ciia be lai Drought Master d giai doan tir so sinh de'n 6 thang tud'i la 0,67 kg/con/ngay Tuong tu', ke't qua ve TKL luy^t ddi cua be lai Sindhi bie'n thien tir 0,28 deh 0,39 kg/con/ngay giai doan sa sinh den 12 Ihang luoi va ciia be lai Vi Red Angus la 0,33-0,50 kg/con/ngay (Dinh Van Tuyen va ctv, 2010).
Bing 4. Sinh trudng luy^t doi cua 3 nhom gidng bo (kg/con/ngay) hang) F, (BBBvSindhil F, (Red AngusxSindhi) F, (CharolaixSindhi)
TKL loan t.y, kg/con/ngay
0,S9*±0,li 0,81 "^^1,21 0 . 5 0 ^ , 2 4 0 , 7 9 ^ , 2 2 0,75
0,46^±0,04 0,73'"±0,05 0,09''±0,08 0,52'iO,13 0,45
0,63''±0,06 0,88''+0,n 0,5P±0,13 0,63^+0,18 0,66
0,001 0,001 0,001 ' . , l ) U l
Ket qua nghien cun ciia chung loi eao hon so vdi khao sal cua cac tac gia nav, co le do khac nhau ve nhom gidng cung nhu dieu kien cham sdc va dinh dudng. Trong Iuc do, Phiing Quang Trudng va ch' (2018) da khao sat va cho tha'y sinh tnrdng tuyet doi ciia bd
lai Fj(BBBxZebu) tu so sinh den 3, f-., <
thang hidi cao hon so vdi khao sa^ - - toi lan lupt la 1-002,8; 506,67; 754,/2 g/con/ngay; d nhom bo lai F,(BBIKI[
Friesians) co ket qua cung cao han 1 808,33; 602,22; 705,27 va 1.071,94 g/i
fCH^T Chan nuoi so 246 - thdng 7 i
D I T R U Y E N - G I O N G V A T N U O I
3.2. T h u c an thu n h a n va hp s o s u d u n g t h u c an
Ket q u a B a n g 5 c h o Ihay l u p n g t h u n h a n Ihiic a n c u a ba n h d m b d lai t a n g d a n q u a cae giai d o a n tudi- L u a n g t h u n h a n t h u c a n ciia ba n h d m b d lai Fj(BBBxSindhi), F , ( R e d A n g u s x S i n d h i ) va F | ( C h a r o l a i x S i n t i h i ) c h o cac giai d p a n 6-9 va 9-12 t h a n g l u o i d a t eac gia tri lan l u p l la 5,45; 1,94; 5,3 (P<0,001) v a 7,68; 4,76;
9,25 (P<0,05). L u g n g t h u n h a n t h u c a n c u a 3 n h d m g i o n g n a y p h u h a p v d i thi n g h i e m ciia
\ ' a n Tie'n D u n g va ctv (2011) v e l u o n g t h i i e a n Bang 5. Lupng thu nhan thiic an va h^ sd s u
tieu t h u c u a 2 n h d m g i d n g b o lai S i n d h i va b o lai R e d A n g u s . T u v n h i e n , k e l q u a d a c h o tha'y bie'n d d n g ra't ldn t h e o giai d o a n ; d i e u n a y p h a n n a o e h o tha'y vai Iro c u a c a n dd'i kliau p h a n v a b d s u n g d i n h d u d n g thieh h p p clip t i m g giai d o g n p h a l t r i e n c u a t h u se g i u p gia t a n g t i n h u u Ihe'lai e u a b o dja p h u o n g . Vi thc^
n g h i e n ciiu n h u c a u v a can dd'i d i n h d u d n g t h e o t i m g giai d o g n p h a l h i e n cua b o lai la can thie't tgi t i m g dia p h u o n g , d g c b i e t l a m s a o s u d u n g lot v a h i e u q u a h o n n g u o n t h u c a n s a n ed d m o i dia p h u o n g .
di^ng thuc an ciia bo tir 6 den 12 t h i n g tudi Thang tuoi F^(B8BxSindhi) F,(Red AngusxSindhi) F/CharolaixSindhJ) Lugng an vao,
kgDM/con/ngay H? so'sudung thlic 3n
5,45'11,01 7,68^0,62 12,92^''±I4,06
10,43'yJ,6
!,94''±1,03 4,76'^,39 18,58^15,42
9,77''±2,39
5,3^±0,33 9,25"±13,13 10,95''±2,68 liSS'-ilS,!?
0,001 0,072 0,046 0,090
Hipu q u a sii' d u n g t h u c a n tir 6 de'n 12 t h a n g ludi d ba n h d m k h d n g cd s u k h a c b i e t (P>0,05). H p so s u d u n g t h u c a n c u a 3 n h d m g i d n g t r o n g n g h i e n eu'u n a y p h u h o p v d i thi n g h i p m ciia V a n Tie'n D u n g va ctv (2011) v e hp so s u d y n g t h u c an ciia 2 n h d m gid'ng b d lai Sindhi va b o lai Vi Red A n g u s bie'n t h i e n lii' 9,77 d e n 14,53kg V C K / k g TKL-
4 . K ^ T L U A N
Ca b a n h o m b d Iai F,(BBBxSindhi), F,(Red A n g u s x S i n d h i ) v a F | ( C h a r o l a i x S i n d h i ) d e u thich n g h i v d i d i e u k i e n k h i h a u d Tien giang- T r o n g ba n h d m b d lai, n h d m b o lai F|(BBBxSindhi) cd k h o i l u p n g , t a n g k h o i l u p n g va s i n h tru'dng t u y e t d o i c a o h o n s o vdi h a i n h o m k h a o s a t F|(Red A n g u s x S i n d h i ) va F , ( C h a r o l a i x S m d h i ) - C i m g v d i klioi l u p n g tang h p n g va s i n h t r u d n g t u y e t dd'i v u o l trpi, thi l u p n g t h u n h g n thiic a n c u a n h d m b d Iai F,(BBBxSindhi) c u n g c a o h o n s o v d i hai n h d m b d lai F | ( R e d A n g u s x S i n d h i ) v a F J ( C h a r o l a ixSindhi).
TAI UEO THAM KHAO
1, Van Tien Diing, Dinh Van Tuyen va Nguyen Tan Vui (2011). So sanh kha nang lang khoi lugng va higu qua sit dung thirc an khi vo beo giCra be lai Sindhi va be lai W Red Angus x Lai Smdhi nuoi tai Dak Lak, Tap chi KHCN Chan nuoi, 31'35-45-
2, Nguyen Quoc Dat, Nguyen Thanh Binh va Dinh Van Tuyen (2008) Kha nang tang trgng va cho th4t ciia bo lai Sindhi, Brahman va Drought Master nuoi vo beo t?i TP, Ho Chi Minh, Tap chi KHCN Chan nuoi, 15. 32-39.
3, Hoang Kim Giao (2018). Mgt so giong bb thit o Viet Nam Chan nuoi Vigt Nam ngay 29/06/2018- URL:http,//nha- channu oi,vn/mot-so-giong-bo-thit-o-viet-nam, 4. Phiing Quang Truong, Tang Xuan Liru va Phiing Thi
Dieu Linh (2018], Kha nang Sinh truong. v6 beo. Ihu nhan Onic an va cho thif ciia bo lai F,BBB tai Ha Ngi, Kv \'eii Hgi nghi Khoa hoc va Cong nghg chuyen nganh Chin nuoi. Thii y 2013-2018, Trang 177-91 5. Dinh Van Tuyen, Van Tien DQng, Nguyin Tan Vui va
Hoang Cong Nhien (2010) Sinh truong ciia be lai W Red Angus va be lai Smdhi nuoi tap trung ban chan tha tai Dak Lak Tap chi KHCN Chan nuoi, 22(90)' 5-12, 6. Nguyen Hihi Vin, Nguyen Huu Nguyen va Nguyen
Xuan Ba (2012), Nghien cihr sii dung mgt so hOn hgp thlic an tinh giau protein cho bb lai Brahman trong giai doan vo beo Tap chi Khoa hgc Dai hgc Hue; 71(2)- 321-33-
