SI/ DUNG GAO LAT THAY THE NGO TRONG THl/C AN TA^
AN CHO LQN CON LAI PIDU(LY) ^^3
Xgui/ai Hiru 77io'', Ton Thd't SaiP, Nguyen Vie'Ttrivig', Trdn Long
N g a y n h a n bai b a o : 11/03/2019 - N g a y n h a n bai p h a n bign: 30/03/2019 N g a y bai bao d u p c c h a p n h a n d a n g : 14/04/2019
T O M T A T
Nghien cuu vdi m u c tieu sir d u n g gao tat, mgt nguon nguyen ligu co san t.ii V igt Nam thay ^ ngo nhap khau trong san xua't thiic an tap an cho lpn con lai PiDu(LY) tai X'lef Nam de liet^ igm ngoai Eg. Thi nghigm d u p c tie'n hanh theo p h u t m g p h a p phan 16 so sanh ngau nhn-'ii mot nn >
moi thi nghiem sir d y n g 40 lpn nai vdi 480 lpn con iheo mg, d u p c chia ihanb 4 io, l-i' ' 0 - ' ' 3 va 4 (sir d u n g 25, 50 va 75% g^o 1^1 thay the ngo lrong thii'c an t^p 3n). Khi s u d y n g goo U^t thay the'75% ngo trong kha'u phan, khoi lupng lpn con, sJnh trudng tuygl do! va lugng thii'c an thu nhgn den 23 ngay hioi la cao hon khi sir d u n g 25 va 50% gao lal Ihay the ngo va khau phan s u d y n g 100%
ngo. Sir d y n g gao lat thay the 50 va 75% ngo trong Ihiic an tgp an cho lpn con da Iam giam tieu ton ihii'C an va chi phi thiic an cho 1kg lpn con. Co the sir d y n g ggo lat de thay the'75% ngo lrong thii'C an tgp an cho lpn con lai PiDu(LY),
Tir khoa: Ggo lgt, ngo, thirc dn tap dn, ign con lai PiDu(LY) ABSTRACT
C o m replacement by rice brov^n in creep feed for cross-bred PiDu(LY) piglets ObjecHve' To determine the effects of nce brown using as substitution with com in the creep feed on the piglels preweaning performance (4 to 23 days old). Three e x p e n m e n t s were conducted and each expenment was used a total of fourty sows and their litters (480 PiDu(LY) crossbred pigle- ts) were blocked according to parity and date of farrowing and were allotted to four experimental treatments consisted of increasing levels of broken rice (0, 25, 50 and 75%) in replacement of corn in the creep feed, using a randomized complete block design. Experimental results showed: When using nce brown as substitution with 75% com in the creep feed, the body weight, average weight gain, total feed intake from day four to weaning (day 23) was higher when using 25% and 50% of rice brown to replace com and diets using 100% com (P<0,05). The feed conversion ratio (kg feed/
kg body weight gain) and feed cost for 1 kg of piglets body weight was lower in creep feed using rice brown to replace 75% com Can use broken rice replacing 75% of com in the creep feed of piglets-
Keywords- Broum rice, corn, creep feed, PiDii(LY) crossbred piglets.
I.BliTVliNBi 4 gid'ng Y o r k s h i r e (Y), L a n d r a c e (L), D u r o c , , (Du) va P i e t r a n (Pi) v d i c a c c 6 n g t h u c lai giiia H i e n nay, m o t t r o n g n h i i n g b i e n p h a p k y . . . , non^-i n, • ., , . ' •_, ^, • i. J^i c h i i n g . C a e c o n g ty n u o i lpn n g o a i t h u o n g t h u a t d u a c u n g d u n g t r o n g s a n x u a t n h a m , "= ,. , - i - r v ,+A'.-,t,A'i ^,A, \,^ ^ , . . . . ^ . ° . ^ , . , .. ,. -, s a n x u a t l p n eai lai LY d e p h o i v a i lon d u e lai n a n g eao h i e u q u a c h a n n u 6 i lon n a i la n i t
n g a n t h a i g i a n eai siia a i a l o n eon. D o i v d i P i D u s a n x u a t l g n n u d i thit sieu n a c lai 4 g i d n g g i d n g l p n n g o a i , h i e n n a y d a n g p h o b i e h n u 6 i i u( j .
D e cd t h e t a n g d u p c s o Iiia d e va so lyn ' Chl c\ic chan nuoi-Tlui v B^c Ninh
•Hpc vien Nong nghiep Viet Xam
'Tap doan DABACO t h i i c an l a p a n 7-21 h o a c 4-23 n g a y ludi. Mm
•Tacsi,li™hs:PGS.TC Tin 11,,,1 S..„ D,;.„*o..09893«699, ^ ^ ^ ^ ^ ^^^^^ ^.^ ^^^ 1 ^ Email sonhanciDftu'i^m.ul com
c o n / n a i / n a m c a n cai s u a s o m l(7n Cdn can c Muffn '" p h a l
KHKTChdn nuoi so 246 - Ihdng 7 i,j,n 2()lu
CHAN N U 6 l DQNG VAT VA CAC VAN DE KHAC
trien td't sau khi cai sira, can phai co thiic an chat Iupng td't va phii hpp vdi dgc diem sinh ly tieu hoa cua Itpn con trong giai doan nay.
Khi sir dyng thiic an tap an cho lpn con trong giai doan bu siia da lam tang 10% sinh trudng tuvgl dd'i va higu qua sir dung thiic an cua Ipn con (Shea va ctv, 2013, dan theo Eastwood, 2018). Hai loai Ihiic an nay khdng nhiing phai chiia day du va can bang cac cha't dinh dudng de dap iing nhu eau sinh trudng phat trien ma eon phai de tieu hoa, co kha nang kich thich tinh them an va an toan cho lpn eon. Day la mpt hudng nghien ciiu dupe nhieu nha khoa hpc trong va ngoai nudc quan tam. Cho de'n nay, nhieu edng ty thiic an trong nude da nghien cuu san xua't thir thirc an tap an cho lpn con nhung ke't qua cdn nhieu han che'.
Trong ihii'C an tap an cho lpn con, ngoai sir dpng eae san pha'm sii'a thay the, bpt whey va ngo la ngudn thii'c an giau tinh bpt la nguon cung ca'p nang lupng ehinh. Tuy nhien, hat ngo CO may ben ngoai, xa th6 cao, nen tinh bpi ng6 CO ty lg tieu hda khdng cao d lpn con vi bp may lieu hoa eiia lgn eon ehua phat trien hoan thign. Tinh bgt khdng tieu hda hoan loan 6 rupt non Ipn con. Tinh bpt khdng dupe tieu hoa xud'ng rupt gia cd the len men gay tieu diay va lam giam sinh trudng d lpn eon. Theo Vicente (2009), nguon tinh bgt va phuong phap xil' ly nhiet ngii cdc la 2 ye'u Id'chinh anh hudng de'n ly le lieu hga eua Hnh bpt. Trong Ihdi gian gan day nhieu nghien ciiu sii' dung liia ml, dgi mach...thay the' ngd. Trong do dang chii y la cac nghien cuu sir dung gao lat, g?o ta'm, mpl nguon ngu c6'c cd san d cac nude san xua't lua gao nhu Trung quoe, Vigt Nam, Thai lan. Li va ctv (2006) eho bie't ham lupng protein thd (CP) ciia gao lat tutmg duong ngd, tuy nhien ham lupng ADF (xo khdng tan trong dung dich axil) cua ng6 lai cao hon gao lgt, ly lg la 2,91 va 1,31%. Ham lu(?ng linh bdt tiong g^o lal la 76,9% con trong ng6 chi co
63,8% va polysaccharide khdng phai tinh bpt tha'p hon ngo. Tuong tu ham lupng amylose va amylpse gan ke't vdi lipid thap hon ng6 do do tinh bgt gao hoat hoa vdi enzym de hon nen ty Ie tieu hda tren Ipn eao hem ngo (Chocl, 2002, dan theo Brestensky va ctv, 2014). Gia tri ME tien lpn sinh trudng tuong ung cua gao lat va ngd la 3.585 va 3.274 (kcal/kg), gia tri ME cua gao la( eao hon 9,5% so vdi ngd (Gilles Tran va ctv, 2018).
Muc dieh cua nghien cuu nay su dung gao lat thay the'ng6 tiong san xua't thuc an lap an eho lgn con de phat huy lpi the' nen nong nghiep nudc ta gan lien vtii cay lua nudc vdi dign tich gieo trong nam 2017 khoang 7^ trieu hecta, eho san lupng Ihoc dat 43,85 trigu tan (Agrotrade Vietnam, 2018) va de cd the ha gia thanh san pham chan nudi, giam nguon ngoai te mua thire an cua nudc ngoai, chii dpng ngudn thlic an san xua't trong nudc.
2. VAT L I | U VA PHUtiNG PHAP NGHIIN CHU
2.1. Ddi tupng, dia diem va thdi gian
Lpn con lai PiDu(LY) 4-23 ngay tudi, gao lat dupe sir dyng cho nghien ciiu nay tai Cong
ty TNHH MTV lgn gidng Lac Vg, Tap doanDABACO, til' thang 01/2016 den 04/2017.
2.2. Phuang phap 2.2.1. Bd'tri thi nghiem
Lua chgn 40 lpn nai de khoe manh, lutmg duong lira de va solpn con 12 eon/nai. Chia so lon nai va lgn con tien lam 4 16: Id thi nghiem 1 (TNI, d6'i chiing: DC) Ipn con dupc an thiic an tap an sir dung 100% ng6,16 TN2, TN3 va TN4: 25, 50 va 75% gao lat thay the ngo, lap lai 3 lan.
77(if'c dn: Six dung trong thi nghiem la thiic
an hon hpp do c6ng t}' thiie an chan nu6i NU-
TRICO thudc Tap doan DABACO san xuat,
cdng thlic va thanh phan hoa hpc, gia tri dinh
dudng dupc trinh bay d bang 1 va 2.
CH,\N NUOI D Q N G \ . A T V.^ j : . y \.AN lEKHA*-
Bang 1. Cong thiic thuc an cho lpn 4-23 ngay tudi CQ)
N g u y e n lieu TA L o l Lo 2 L6 3 Lo 4 Ngo 40 -0 20 10 Gao lat (gao lut) 0 ' 0 20 30 My hat 3,7 3.7 3 7 3,7 Dd t u o n g 10.5 10,5 10.5 10,5 Bptca 4 4 4 1 Khii d o t u o n g 3 5 "> •>
Nuklospray S20-20 10 10 "i 10
D]ch ca hoi thuy phan 2 2 ' ' ' '
D A B O M - B h .^ ^ ^ Whey 13 l i IJ 13 Daucp 0,5 0,5 0,5 0,5 Mono Can\i pholphat (MCP)
Bpt dii
Premix khoang - vitamin Muoi
Lysin 99%
Melhicinine 99".,, Threonine 99%
A c i d h i i u co
4-i3, H-23, r dyng
0,7 0,7 0,7 0,7 0,3 0,3 0,3 0,3 0,8 0,8 0,8 0,8 0,2 0,2 0,2 0,2 0,4 0,4 0,4 0.4 0,2 0.2 0,2 0.2 0,2 0,2 0,2 0,2 0,5 0,5 0,5 0,5 Bang 2. Thanh phan hoa hpc (%) Chi lieu Lo 1 Lo 2 Lo 3 Lo 4 Ngo Capiat Protein tho
Lipit Xo tho Lysine Is Lvsine th Mcthimints Methionin th Threonin ts Tlireonin th Ca P hap Ihu MLikcillvg) Gia (d/kg) Gbi clni: ts Id
21.08 6,77 2,21 1,35 1,41 OSS 0,55 1,02 0,95 0.70 0,51 3 456 11.961 tdng si- 2.2.2. Cdc chi tieu
ll,OS 6,59 2,06 1,56 1,41 0,59 0,55 1,02 0,93 0,71 0.51 3 4?7 12,061 i; Ib td
21.08 6,41 1,91 1,56 1.41 0,59 0,55 1,02 0,95 0,70 0,50 3-457 12161
21,08 6,22 1,76 1,57 1,41 0,59 0,55 1,03 0,95 0.70 0,50 3 45S 12 261 tIt'll hoa '. theo doi
7.7 3,63 2,5 0,24 0,15 0,17 0,13 0,26 0,16 0.04 0,06 3-395 5 000
7,7 1,8 1.0 0.29 0.23 0,19 0,16 0,28 0,21 0.02 0,03 3-403 6 00(1
Khoi luong lon con: o cac Ihoi diem so sinh, 4 \ a 2^ ngay tuoi; sinh trucmg tu\et do'i
trong giai do^n 4-23 ngciy tiu>i 1-:
tliu nhcin (LTATN) cua lon con 4-23 ngav tuoi (cai sua); hifu qua .. ,- thlic ,rn (HQSDTA) N .i lv le km con nuo. sc g, t^• le lon con lieu chay. T.il ca cac chi "''"^^J dupc theo doi \ a Hnh to.in tlieo phucmg P lap thong dyng.
2.3. Xu ly so lieu
Ciic so lieu du9C vCi ly thong kt' sn* hgc va phiin rich phuong sai (ANO\ A) theo mo hinh lhi nghiem mpt nhan toho.in loan ngau nhien tren Excel 2013, phan mem Mmitab 16;
so sanh sai khic cic ket qua thi nghiem theo Turkey.
3,KeTaUAVATHAaiUAN
3,1, Khoi lupng ciJa l(m thi nghiemKhoi lupng co the (KL) lpn con ciia 4 16 deu tang dan theo hioi, nhung toe do tang cua cac 16 la khac nhau. Sau 4 ngay tuoi, dim lon con bat dau su dung thiic an tap an, lpn con moi lam quen vol thiic an nen chiing an rat it. Den 23 ngay tuoi, khi lpn cai sua, lpn an thlic an tap an thi KL 6 cac 16 bat dau co su khac nhau: cao nha't 6 16 4 (7,56kg), tie'p den 16 3 (7,46kg), 16 2 (7,28kg) va tha'p nha't 6 16 1 (7,19kg). Khoi lupng lpn con 6 16 4 va 16 3 cao hon 16 1 (P<0,05). Kho'i lupng lpn con 16 1 va lo 2 tuong dupng nhau. Ke't qua cho tha'y: sii dung gao lat thay the'50 va 75% ngo trong thlic an tap an cho lpn con 4-23 ngay tuoi da lam KL ciia lpn con cai sua tang len.
Do ham lupng xo tha'p trong gao lal dn lam tang ty le tieu hoa lipit tho, vat chat kho va chat hiiu CO ciia khau phan an cho lpn con khi sii dung gap lat thay the'50 va 100';<, ng6 so vol thlic an sii dung 100% ngo (Li va civ, 2002).
Khi su dung gao Iam thiic an chu km dji lam tang sinh ri^'Ong ciia lpn va tinh hot ciia gao CO ty le tieu hoa cao hon Hnh bpt ngo (Mateos va ctv, 2007; Vicente va ctv, 2009) cc'. th6 do cau triic va thanh phan hoa hpc cua c,i, h,i) ^jj^^
bpt gao.
KHKTChan nuoi so 246 - ihdng ' ,,.,;„, ^///cj
CHAN NUOI DQNG VAT VA CAC VAN DE KHAC
Bang 3. Khdi lupng lpn con (MearttSD, kg) Thil
TNI
TN2
TN3
Tong hpp nghifm
ca 3 TN
Ghi clni: trong cimg Chi Heu So' igm con KL so sinh KL4 ngay KL23 ngay TKL4-23ngay So' lpn con KL so sinh KL4 ngay KL23 ngay TKL4-23ngay So' lpn con KL so sinh KL4ngayi KL23 ngay TKL4-23ngay So Ipn con KL so sinh KL4 ngay KL23 ngay TKL 4-23ngay hdng. cdc gid trt Mean
L6TN1 111 1,61+0,11 2,10±0,13 7,29±0,33 5,19±0,33 110 1,57±0,10 1,98±0,12 6,94''±0,27 4,96^±0,27
no
1,58±0,08 2,01 ±0,13 7,35 ± 0,31 5,34 ± 0,31 331 1,59±0,!0 2,03+0,13 7,19'^±0,34 5,16^+0,33 mang cdc chfr
L6TN2 110 1,57+0,10 2,05±0,12 7,35±0,4]
5,30±0,41 111 l,56±0,n 2,00±0,13 7,05'^±0,29 5,05'''±0,29 112 1,60±0,]0 1,99+0,12 7,43 + 0,37 5,44 ± 0,37 333 1,58±0,10 2,01±0,12 7,28''±0,38 5,26'^±0,38 khdc nbau tlii sai
L 6 T N 3 112 1,57±0,1I 2,15±0,12 7,53±0,30 5,38±0,30 111 1.58±fl,09 1,99±0,12 7.22'^±0,21 5,23'^±0,21 112 ].58±fl,09 2,02±0,13 7,63 + 0,25 5,61 ± 0,25 335 1,58+0,10 2,05+0,12 7,46^*^0,30 5,41 ^±0,29
L6TN4 113 1,58±0,11 2,09±0,13 7,65±0,35 5,56±0,35 112 1,59±0,10 1,99±0,12 7,33''±0,19 5,34°±0,19 113 1,60±0,08 2,00±0,12 7,70±0,30 5,70±0,30 338 1,59±0,10 2,03±0,12 7,56'±0,32 5,53'^±0,32 khdc CO y ngbia thong ke (P<0.05).
3.2. Sinh Irudng tuygt doi cua lpn con tir 4 den 23 ngay tudi
Tren co so xac dinh kho'i Iupng ca the cua lpn con qua eac giai doan nuoi ehiing t6i da tinh dupc l6'e sinh trudng tuyet do'i ciia lpn con khi su dung thiie an tap an co ty lg gao lat thay the' ng6 khac nhau trong giai doan 4—23 ngay tuoi.
Ke't qua cho tha'y trong giai doan tir 4 Bang 4. Sinh trudng tuygl
de'n 23 ngay tudi (long hpp ke't qua cua 3 thi nghigm), sinh trudng tuyet d6'i cua lpn con d bd'n 16 thi nghiem tii 256,73-276,8 g/con/ngay.
Sinh tru'dng tuyet dd'i cua 16 TN 3 va 4 tirong dutmg nhau, nhung cao hon Id thi nghiem 1, su sai khac la co y nghia thong ke (P<0,05).
Sir dung gao lat thay the'50 va 75% ngo trong thuc an tap an da lam tang sinh trudng tiiygt ddi hon Id sir dung 100% ngo.
ddi (Mean+SD, g/eon/ngay) TN
TNI
TN2
TN3
C a 3 T N
Chi tieu So'con
STTD So'con STTD So'con STTD So' con STTD
L o l 111 259,7±16,31
no
243,7*±12,32 UO 266,8+15,51
331 256,7'4:17,35
L6 2 110 265,1±20,79
111 253,0"^±20,79
112 272,0±18,32
333 263,4'^19,13
L6 3 112 269,1+14,79
111 262,0^14,34
112 281,0±12,69
335 270,7^^+14,67
L6 4 113 277,9+17,46
112 267,2'±9,5
113 285,3±I5,1I
338 276,8'±15,83
C H A N N U O I D Q N G V A T \ ' A C A C \ A N D E K M ^ " -
3_3. L u p n g t h l i c a n t h u n h a n ciia Ipn thi n g h i g m l u p n g thiie a n t h u n h ^ n edii t h a p . Giai dogn T r o n g giai d o a n 4-13 n g a y hidi, I u p n g ^^-23 n g a y tiadi, I u p n g t h i i c 5n thu nh^n ca t h l i c an t h u n h a n c u a lgrn c o n tha'p nha't d Id 1 giai d o g n c u a m d i lpn c o n t h a p nhat van a va e a o nha't la 16 4 (P<0,05). Giai d o a n n a y l p n 1 {208,27 g/con) va c a o n h a t la Id 4 i23.>,lU g/
eon b a t d a u l a m q u e n v d i t h i i c a n t g p a n n e n con) (P<0,05).
Bang 5. L u p n g thiic an t h u n h a n (Mean±SD, g/con)
11 doan T N 2
4-13 ngay tuoi
14-23 ngay tuoi
4-23 ngay tuoi
Solpn con TA thu nhan So' Ipn con TA thu nh|in Tong TA tap 3n Tv Ip4-13ngav(%)
331 :'^.26-+].3
331 21.^274:11,44 236,5-3^il2,23 11,'J4
333 28,74=11,1
333 213,4?'tS 43 242 22'-SIS 11,87
335 33,24*'±1,3
-335 2;s,ll"tl3,93 261,3-=^*±14,W>
12,71
3.31^
35,51'±1,75 -33S 2 3 3 . 0 4 1 1 4 , 7 9 2(vS,S5'±14,88 13,22
T d n g l u g n g t h i i c a n Ihu n h a n ciia lpn c o n giai d o a n 4-23 n g a v ludi c u a 16 4 c a o nha'l (268,55 g/con), t u c m g d u o n g 16 thi n g h i g m 3 (261,35 g / c o n ) . L u p n g ihiie a n t h u n h a n c u a Id 3 va Id 4 c a o h o n 16 1 va 2. L u p n g TATN t r o n g giai d o g n t a p a n e.ing c a o se g i i i p c h o lpn con g i a m s t r e s s s a u cai s u a , khi c h u y e n lu siia m g ( d g n g long) s a n g t h i i c a n khd, g i a m lv le lpn con tieu c h a y va d u y tri sinh t r u d n g .
Kel q u a thi n g h i g m c u n g cho tha'y l o n g LTATN 10 n g a y d a u t a p a n (4-13 n g a y tudi) cua lpn con chi chie'm 11,87-13,22% cua l o n g l u p n g t h u c an cua ca giai d o g n (4-23 n g a y tudi). Giai d o a n 10 n g a y d a u l a p an lpn con chii ye'u sir d y n g siia m g , 10 n g a y s a u t n r d c khi cai s u a , KL Ipn con t a n g len, s a n l u p n g siia mg k h d n g d u n e n l u g n g thiic a n t a p a n t h u n h a n c u a Ipn con l a n g len. Ke't q u a ciia thi n g h i g m tucmg d u o n g vcd ke't q u a c d n g b o c u a Bruininx va cl\- (2(X)2);
P l u s k e \'a cb.' (2007) va S u l a b o \'a ctv (2008a):
l u g n g t h u c an t a p a n t h u i J i a n ciia lpn con m p t t u a n tru'dc khi cai siia chie'm 80% l o n g LTATN c u a ca giai d o g n l a p a n .
T u ke't q u a t h u d u p e c h u n g l6i cd n h g n xet:
Su d u n g g g o lat thay the' 50 va 7 5 % n g d t r o n g t h u e an t g p a n cho Ipn eon 4-23 n g a y tudi d a lani t a n g l u p n g Ihiic a n t h u n h g n o i a Ipn con.
3.4. T y Ie I p n c o n b i t i e u c h a y va sire s d n g T y le l p n con bi tieu c h a y d cac 16 c h e n h n h a u k h 6 n g n h i e u , sai k h a c k h d n g cd y n g h i a
t h d n g ke. T u a n g h^, l\' lg chel eiia lpn e o n d cac 16 b i e n d p n g tii 6,1 i % d 16 4 d e n 8,06% d 16 1. S p sai khiic n a y k h 6 n g co y nghia thd'ng ke.
Bang 6. Ty Ig tieu chay va chi't cu.i Ipn con (%)
Chi tic TNI TN2 TN3 TN4
So'con dau TN 360 360 360 360 So'lpn 23 ng.n tuoi 33! 333 335 338 Ty 10 lpn nuoi song 91,94 92,50 93,06 93,89 Ty !(• lpn con b | che't 8,06 7,50 6,94 6,11 Ty lg lpn bj tieu chay 6,46 6,11 5,81 5,16 Tir cac ke't q u a lhi n g h i g m cho tha'y: sir d y n g g a o lal Ihay the' 25, 50 va 7 5 % n g d d e san xua't thtrc an t a p an cho It^n con k h 6 n g a n h h u d n g de'n ty lg lpn con tieu c h a y va ty le Igm eon bi che't.
3.5. H i g u q u a s i i d u n g g a o lat t h a y t h e n g d t r o n g t h i i c a n t a p a n ciia lpn con
TCr LTATN cua lpn nai, Itjm con va KL ciia Ipn con t a n g cd Ihe tinh d u p e higu q u a sil' d p n g thlic an (FCR) (kg t h u e a n / k g T K L ) . FCR tiJong l i n g ciia 4 16 1, 2, 3 va 4 la 2,33;
2,29; 2,20 va 2,15. Ne'u lay FCR ciia Id 1 la 1 0 0 % thi FCR cua Id 2, 3 va 4 b 5 n g 98,28; 94,42 va 92,27%, e h i i n g td khi s u d u n g g a o lgt t h a y t h e 50 va 7 5 % n g d d e s a n xual t h u c a n t a p an c h o Ipn con giai d o a n 4-23 n g a y t u d i d a l a m g i a m TTTA c h o 1kg TKL.
KHKTChdn nuoi s6 246 - ihdng 7 nam 2019
CHAN NUOI DONG VAT VA CAC VAN DE KHAC
Thuc 5n thu giai do^
4-23
Tuong hr, tir gia thanh ciia thiirc an eho Id 1, 2, 3 va 4 la 16.759,9; 16.482,7; 15.859,5 va lpn nai va Itpn con cd the tinh chi phi thiic an 15 491,3d. Chi phi thiic an cua Id 4 giam 7,57%;
cho 1kg TKL cita Ipn con tucmg iing tnia cac Id 3 giam 5,37% va Id 2 giam 1,65% so vtii Id 1.
Bang 7. Hieu qua su dung gao lat thay the ngo trong thiic an tap an cho lpn con tir 4 den 23 ngay luoi
Chi tieu TNI TN2 TN3 TN4 T A thu nh^n (kg/nai/ngay)Tong TA thu nhan cua lpn nai (kg/16) So' lpn con
TA thu nh^n 4 - 23 ngay (kg/con) Tong T A thu nh^n lpn con (kg/16) Tong T A lpn nai v.i lpn con (kg/16) TKL lpn con 4-23 ngay tuoi (kg/con) luoi Tung KL li;m con tang (kg/16)
FCR (kg TA/kg TKL) Tyle(%)
To'ng TA thu nhan ciia lpn nai (kg/Id) Gia tien (d/kg/TA lpn ndi) Tieh T A Ipn n.ii (A) Tong TA thu nh^n lpn con (kg/16)
^ P'^' Gia hen (d/kg thiic 3n lpn con) Tien TA lpn con (d) Tong lien TA lpn nai va lpn con (d) Tang kh6'i lupng Ipn con (kg/16) Chi phi thirc an (d/kg TKL) Ty lg (%)
thirc
6,46 + 0.45 3876
331 0,237 77,97 3953,97 5,]6--±0,33
1697,64 2.33
100 3876 7100 27519600
77,97 11961 932599,17 28452199,17
1697,64 16759,9 100
6,51 ± 0,42 3894
333 0,242 79,87 3973,87 5.26'^ + 0,38
1735,8 2,29 98,28 3894 7100 27647400
79,87 12061 963312,07 28610712,07
1735,8 16482,7 98,35
6,41 ± 0,46 3852
335 0,261 86,39 3938,39 5,41'^ ±0,29
1790,71 2,20 94,42 3852 7100 27349200
86,39 12161 1050588,79 28399788,79 1790,71 15859,5 94,63
6,40 ± 0,44 3840
338 0,269 89,04 3929,04 5.53' ± 0,32
1830,43 2,15 92,27 3840 7100 27264000
89,04 12261 1091719,44 28355719,44 1830,43 15491,3 92,43
Khi sii dpng ggo lgt thay the 50 va 75%
ngo de san xua't thuc an lap an cho Ign con giai doan 4-23 ngay tiJoi, KL, STTD va LTATN ciia lpn eon dgt cao hem khi su dung 25% gao lat Ihay the ngd va su dung 100% ng6; lam giam TTTA va ehi phi thiic an cho 1 kg TKL- Cd the su dpng ggo Igt de thay the' 75% ngd trong KP thlic an tap an cho Ipn con lai PiDu(LY) 4-23 ngay tudi.
TAI LI|U THAM KHAO
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sheep, goats, pig, poultr)-, rabbits, horses and salmomds NIAR, France-
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LJ, Han and In K. Han (2006)- The Nutritional Value of
67
CHAN NUOI DQNG VAT VA CAC V.-\N DE KHAC
Brown Rice and Maize for Grooving Pigs. Asian-AusL | 10 Pluske J.R , J.C. Kim, C-F- Hansen. B.P MuHii. H G- Anim, Sci, 19(6) S92-'
^ Maleos G.G.. F Martm, M.A. Utorre, B. Vicente and R.R (2007) Pielel e.m-\h bctore and alter ^fjnmg m relation Payne, D.J. Hampson, J. Callesen and R.H » ' ' (2007) Piglet gniivth bcton.- and alter >\-cJning ir Lazaro (2006), Inclusion of oat hulb in diets for voung loaqualitaliveestimUeot «.>lKUcrtvp)rft'vl.niaI.cdunnB p , ^ b . ^ on c.x.ked maize or cooked rice .^n^_ Sc.. [^^^^„ ^ ^ j ^ , ^^^^ ^ ^ ^ ^ , ^ ^,,„ ,, 4,.-S0 . Su'labo R-C. MD. Tokach, J.Y JaceU, J.L Nelssen. S.S- ''' ^'""'"^ ^•' ^ ^ ' ^ " " ' ° ' ^ ' ^'"""^ '''''•' ^ T J ' ' " '
Drilz, J.M. DeRouchey and R.D. Goodband Crti^.i) Mateos G.G. (2lXt9) Effcctsoffewling nce and (he degree Effects of lactation feed mtake and creep (eedmg on "f starch gelahni/ation of ricv on nutneni digestibility sow and piglet performance J Anim. Sci-, 85(2). I'.C and ileal morphiili>g\ of young pigs- Bntish ] Nut,.
(Abstract) 101(9) HTH-SI
ANH Hl/ONG BO SUNG DAY KHOAI LANG U CHUA TRONG KHAU PHAN DEN KHA NANG SINH TRU'ONG CUA BO THIT
LAI ZEBU
Ho Thanh Tlumi" vd Nguyi:n Mmh Thong' N g a y n h a n bai bao: 11/03/2019 - \ j ; , i \ ' nhgn bai p h a n bign: 30/03/2019
Ngay bai bao d u p c chap nhgn dting: 14/04/2019 T O M T A T
Nham danh gia anh h u d n g ciia cac m u c dp bo sung day kho<ii lang ii chua lrong khau phan deh kha nang smh trmmg cua bo th|l, mpt thi nghigm dupc tion hiinh tren 12 con bo dpc lai Zebu (Dja phucmg'<Zebu), 8-10 thang luoi, khoi lupng trung binh la 181kg, d u p c bo tri Iheo the thiic khoi hoan toan ngau nhien voi 4 nghigm thuc (NT) la 4 miic dp bii sung day khoai lanj; (HKL) ii chua lrong khau phan: 0, 25, 50 va 75% trong khau phan (ODKL, 25DKL, SODKL va 7^1 )kl ) Ket qu<i cho tha'y DM an vao (% khoi lupng co the) khac bigt co y nghTa thong ki-. thap nha't o N1 75DKL, Tieu tdn Uiiic an a i a bo 6 NT 50DKL va 75DKL (6,9 va 6,8 kg DM/kg tang kho'i lupng) tha'p hon so v6i cac NT con Igi. Khuynh h u d n g tang khoi lupng cao nhai 6 cac NT iSng ty lg bo sung day khoai lang il chua lrong khau phan voi miic dao dpng tir 0,36 den 0,69 kg/con/ngay. De dam bao muc an vao d?t yeu cau so voi khoi lupng co the thi nen duy tri bo sung day khoai lang o miic 50% la phii hpp,
Tir khoa: Day khoat lang it cbua. bo thtt. sinh truinig.
ABSTRACT
The effect of differenl levels of sweet potato vine silage in the diet lo the productivity of beef cattle
The sludy is carried out to evaluate the effect of differenlievels of sweet potato vine silage in the diet to the productivih- of beef cattle. The experiment was conducted on 12 Zebu crossbreds (Local cattle X Zebu) 8-10 months of age, with the average weight was 181kg, arranged in a randomized complete block design (RCBD)- Four treatments are the different levels of sweet potato vine silaee (DKL) including 0, 25, 50 and 75% in the diet (ODKL, 25DKL, 50DKL and 75DKL), Experimental results show that DM intake (% body weight) was significantly different, the lowest one was 75%
sweet potato sweet silage in the diet (75DKL). Feed conversion ratio of cows in treatments 50DKL and 75DKL (6.9 and 6.8 kg DM/kg live weight gain) was lower than Ihe remaining treatments. The trend was obtained when increased live weight gain in the treatments offering the higher level of sweet potato vine silage in the diet, ranging from 0-36 to 0,69 kg/head/day. In order to ensure that the intake level is satisfactory compared with body weight, it is advisable to maintain the supplement at 50''o in the diet.
Keywords: Sieect potato vine silage, beef cattle, productivity.
' Truong Dai hpc Can Tho
• Tac gia lien h?: TS- Ho Thanh Tham. Bp mon ChSn nuoi, Khoa Nong nghiep, Truong Dai hpc Can Tho Dii.'n thoai; 0905 lS,=ir>'^T E-mail: htthami^-tu edu.vn