DINH DU^ONG VA THU'C AN CHANNUOI
the: Tdng chi phi TA/kg TKL (bao gdm chi phi cho cam hdn hgp va che'pham Px-Agro Super d cac Id TN);
Chi phi TA cho 1kg TKL: Khi bd sung che' pham Px-Agro Super vao TA cho ga d cac muc khac nhau thi cd su chenh lech nhau ve gia TA giii'a cac Id va tren co sd gia ciia che'pham Px-Agro Super tai thdi diem nghien ciiu la 25.000 ddng/kg, cd the hnh gia aia mdi khau phan khi cd va khdng bo sung che pha'm. Ld DC an khau phan co sd, khdng bd sung che' pham nen cd gia tha'p nha't (11.300 dong/kg), Id TNI bd sung 1% che'pham cd gia la 11,550 ddng/kg, tie'p theo la Id TN2 (2% Px-Agro Su- per) cd gia ll.SOO ddng/kg va cao nhat la Id TN3: 12.050 dong/kg.
Tuy nhien, chi phi TA/kg TKL ciia TN3 tha'p nhat (22.444,41 d/kg), it hon Id DC (24.860,20 d/kg) la 2 415,79d, tiep theo la TN2 (23.010,20 d/kg), tha'p ban Id DC 1.850,00d, sau dd den TNI (24.023,90 d/kg), tha'p hon Id DC 836,30d. Chi phi TA giam xud'ng lam tang hieu qua kinh te' trong chan nudi va giiip ngudi chan nudi cd lai nhieu hon. Trong cac muc tliir nghiem bo sung thi miic 3% la hieu qua nha't. Day la ke't qua rat kha quan de khuye'n cao trong chan nudi ga thit thuong pham ndi rieng va trong chan nuoi gia cam ndi chung.
4 . KET LUAN
Px-Agro Super la loai thiic an bd sung td't cho ga thit thuong pham mang lai hieu qua chan nudi cao. San pham nay lam tang kha
nang sinh trudng aia ga, ddng thdi con giup giam TTTA, hi' do lam tang hieu qua kinh te trong chan nudi.
Trong cac miic thir nghiem bo sung 1 X' Agro Super thi miic 3% la hieu qua cao gia Tuy nhien, can nghien ciiu tie'p voi muc
nha't.
bd' sung cao hon (4-5%) de danli gia hieu qua cua PX-Agro Super hr do tim ra miic bo sung hgp ly nha't cho su phat trien ciia ga va mang lai hieu qua kinh te'cao nha't.
TAI UEU THAM KHAO
1 N g u y e n T h i H a i , I r a n T h a n h Van va Doan Xuan Tnic {2008). Khao n g h i e m kha n a n g san xuat cua ga t h u o n g p h a m Sasso nuoi i.'v t h u - d o n g tai Thai Nguyen, Tgp chi C h a n nuoi, 2-9-10
2 N g u y e n T h i M a i , Bui Hiru Doan va Hoang T h a n h (2009), Giao trinh C h a n nuoi gia cam, NXB N o n g n g h i e p , H a N O I ,
3 N g u y e n T h i Thiiy M y (1997). Khao sat so sanh kha nang san xuat ciia ga broiler 49 ngay tuoi thugc giong AA, Avian, BE88 nuoi v u he tai Thai Nguyen, Luan van thac sy Klioa h o c N o n g nghiep, D H Nong Lam Thai Nguyen 4 Tieu c h u a n n g a n h (2005). lOTCN 661-2005. Tieu c h u a n
an ciia ga thit t h u o n g p h a m tii 0 - 6 tuan tuoi 5 Tieu chuain Viet N a m (1977). P h u o n g phap xac d i n h
sinh t n r o n g tuyet d o i , TCVN 2-39-77 6 Tieu c h u a n Viet N a m (1977) P h u o n g phap xac tJinh
suih trucmg t u o n g doi, TCVN 2-40-77 7 D o a n Xuan T n i c , N g u y i n H u y Dat, Nguyen T h i S a n ,
N g u y e n T h a n h Som, D o Thi T i n h va Vu T h i H u n g (1999). Khao sat cac chi tieu smh san ciia ga bS; m? BE, AA, ISA - _MPK va nghien ciiu mot so cong thiic lai g i u a chiing n h a m n a n g cao nang sua't thit ciia giong ga BE, Bao cao khoa h p c C h a n nuoi thii y 1998-1999, Phan c h a n nuoi gia cam, t r a n g 105-17.
8 D o T h i A n h Tuyet (2003). So sanh hieu qua chan n u o i ciia hai giong ga sieu thit Hubbard va CP 707 ta. Daklak, Luan v a n thac sy Khoa hpc N o n g nghiep, Truong D^i hoc N o n g n g h i e p H a Noi
ANH HU'ONG CUA BOX Gl/NG TRONG KHAU PHAN LEN SINH T R U 6 N G V A C H A T LU^ONG T H A N T H I T CUT NHAT B A N
1-56 NGAY T U O I
Lam Thdt Himg'* vd Ly Thi Thu Lan'
Ngay nhan bai bao: 22/01/2020 - Ngay nhan bai phan bien- 05/02/2020
Ngay bai bao dugc chap nhan dang: 08/02/2020
' T r u o n g Dai h g c Tra Vinli
' Tac gia h e n h e : TS. L a m Thai H i m g , T r u o n g khoa N o n g n g h i e p - Thiiy s, Email, Ithungfictvu e d u . v n
I. Truong Dai hoc Tra Vinh,
KHKTChnn nudi \<> '")6 - thdne 4 ndm Jmr]
DINH DU'ONG vA THt^C AN CHAN NUOI
TOM TAT
Tdng so 180 chim cut Nhat Ban liic 1 ngay tuoi dupcbotri theo the thuc hoan toan ngau nhien vdi 3 nghiem thiic va 3 lan lap lai (20 con cho moi don vj thi nghiem) de danh gia anh huong ciia viec bo sung bot gimg len sinh trucmg, hieu qua sii dung thiic an va chat luong than thit. Cac khau phan gom doi chiing (khong bo sung bpt gimg) va 2 nghiem thiic bo sung bot gimg a mtjc 0,1 va 0,2%. Chim cut du'g'c nuoi bang khau phan chiia nang lugng trao doi 2.950 kcal/kg thiic an va protein tho 24%, dupc an va uong nuoc tu do, dupc phong benh theo quy trinh. Ke't qua nghien cuu cho tha'y bo sung bot gung 0,1 va 0,2% vao khau phan nuoi duong da khong anh huong len kha nang tieu thu thuc an cua cut Nhat Ban (P>0,05), nhung bo sung bpt gimg 6 muc 0,2% da Iam tang khoi lupng co the va he so' chuyen hoa thtic an cua cut Nhat Ban dupc cai thien lan lupt la 9,95 va 8,88% khi nuoi de'n 7 tuan tuoi. Hon niia, viec bo sung 0,2% bot gimg vao khau phan thuc an ding da cai thien duoc khoi luong va ty le than thit cut Nhat Ban giet mo luc 7 tuan tuoi.
Tir khoa: Cut Nhat Bdn, bot gung, tdng khoi luong, chat luong thdn thit.
ABSTRACT
Effects of added ginger powder into diets on growth and quality carcass of Japanese quails from 1-56 days old
A total of 180 one-day-old Japanese quails were allotted into a completely randomised design of three treatments and three replicates with 20 birds for each to evaluate the effect of ginger powder supplemented on average daily gain, feed consumption rate and quality carcass of quails.
The experiments consisted of a control diet (no ginger powder added) and 2 diets supplemented ginger powder at 0.1 and 0.2%. Birds were fed by the diet containmg ME 2,950 kcal/kg of feed and CP 24%, fed and watered ad libitum, and prevented diseases based on the process. The results showed that the supplementation of 0.1 and 0.2% ginger powder on the diets did not affect on feed intake ability of Janpanese quails (P>0.05), but at 0.2% gmger powder added on the diet resulted in body weight gam and feed conversion ratio of Janpanese quails at 7 weeks of age were improved at 9.95 and 8.88%, respectively. Also, with supplementing level of 0,2% ginger powder on the diet, body weight and quality carcass of quails were improved.
Key words: Japanese quails, ginger powder, growth, quality of carcass.
1. OAT VAN DE nhu ton du' khang sinh trong thuc pham. Dieu -^ „. , . , , , , , , n a v a n h h u a n g n g h i e m trong deh nganh chan Nuoi chim cut co xu hu'ong ngay cang ^ . ,. , '^ " . , ' , . , ? , . , , .„ , , , . , . , , , . , , . . . . nuoi noi chung va nganh chan nuoi chim cut phat trien va duoc nuoi pho bien o nhieu noi ,. .„ „ „ . , . ^ „, „ ,„ .
; . „ . . . *- , ' - . , . . -T- f-^ '• ivrL-..D' noi rieng. De giai quyet van de neu tren, mot tren the gioi dac biet a Trung Quoc, Nhat Ban, / ' /^^ , f , .. . . . . , , , , ,
! „„ ,^1 - T-'ni. •' 1.11- ,"u- '4.MU'i-T3' trong nhung bien phap him hieu do la SU'dung A Rap, Chi Le, Phap, My. Chim cut Nhat Ban , ., ^, „, ° t.-. ., , '.. , . ,
^ , „ , , , . . . , ,^' *« ...- - " che pham CO nguon goc tu thien nhien mang duoc nhap vao Viet Nam lan dau hen vao nam , ^ „ , , „,,° , , ° , , . . , >
1^-71 1- u " •• u- -t u' '-1-1,^4- cac chat CO the kich thich smh truang va phong 1971, nhung nghe nuoi cmm cut cm max that ° , . su phat trien trong nhimg nam gan day. Hien ' " '^?'*- Vifc "ghien cn^ anh liuong cua bot nay, thit chim a i t duoc thi trucmg ua chuong S™S ' « " =*>* ' ™ " g ' » ^^at lucmg than thit vi chtmg CO gia tri dinh duong cao. Voi von ™' ^ h a t Ban giai doan 1-56 ngay tuoi duoc dau tu thap ve con giong, chuong hrai, thuc * v c hien nham xac dinh mu'c do anh huong an cung nhu thoi gian nuoi duong ngSn, chan b?* S^S '^n ''ha nang smh truong, TTTA va nuoi chim cut co tiem nang de phat trien tren * a t luong than thit cua chim cut.
viing cac tinh aia DBSCL. Tuy nhien, de phat 2 . VAT LIEU VA PHUONG PHAP NGHIEN CflU trien nghe nuoi chim cut 6 Viet Nam van con
nhieu van de can duoc giai quye't {Biii Hiiu
Doan, 2009). Trong do, van de can giai quyet Thi nghiem duoc thuc hien tai Trai thuc quan trong hien nay la kha nang khang thuoc nghiem Chan nuoi, Khoa Nong nghiep - Thiiy khang sinh ciia chim cut ngay cang cao, ciing san thuoc Trucmg Dai hoc Tra Vinh
2.1. Dia diem
KHKT Chan nuot so 256 - thdng 4 nam 2020
DINH Dl/ONG VA THtfC AN CHANNy2l
2.2. B o t r i t h i n g h i e m
T o n g s o 180 cut N h a t Ban 1 n g a y t u o i d u ^ c b o tri t h e o t h e t h u c h o a n t o a n n g a u n h i e n v o i 3 n g h i e m t h u c (NT), 3 lan l a p lai v a m o i d o n vi T N g o m 20 c h i m cut. C a c N T g o m d o i c h i r n g ( D C : k h o n g b o s u n g h o t gung-BG;,) v a 2 N T d u g c b o s u n g b g t g i m g 6 m i i c 0 , 1 % (BG^jj) v a 0,2% (BG„j). C u t thi n g h i e m d u g c c h a m s o c gio'ng n h a u c h o ta't ca 3 16, d u g c a n
v a u o n g n u o c t u d o . C u t d u o c n u o i bang Wia^u p h a n t h u c a n h o n h g p co n a n g lu'gng trao doi 2.950 k c a l / k g TA, C P 24%, d p am 13%, xo tho 5%, c a l c i u m 0,8-1,0%, p h o s p h o r u s 0,6-1,5%, l y s i n e 1,0% v a methionin-i-cystin 1,2%. C h i m c u t d u o c n u o i t h e o d o i hr 1 deh 56 n g a y hJoi.
C u t d u g c n u o i t r e n c h u o n g long voi dien tich m o i 6 100x30x25cm, t h e o q u y trinh d u g c t r i n h b a y o B a n g 1.
B a n g 1. Q u y t r i n h sir d u n g t h u o c cho chim cut t h i n g h i e m Ngay tuoi Loai vacxin, thuoc dung va each six dung Phong benh
Vacane ND - B, (nho mat) Anticoc (2 g/lit nuoc, iien tie'p 3 ngay) Tn Alpucnic {1 g/lit nuoc, uong lien tuc 3 ngay)
Vaccine ND - Lasota (rJio mat) Tri Alpuoiic (1 g/lit nuoc, uong lien tuc 3 ngay)
Phong b?nh newcastle Phong benh cau triing Phong benh CRD va thuong han
Phong benh newoistle Phong benli CRD va thuong han 2.3. C h e b i e n b o t g u n g
Bgt g i m g d u g c c h e ' b i e n d u a t h e o p h u o n g p h a p ciia Biii T h i N h o (2009), s a u t h u h o a c h , c h g n cac cu d a t y e u c a u v e d o lon, d e h o c v o , g u n g d u g c thai n h o va d u g c d u a v a o t u s a y v o l 60-65"C, t r a i d e u t r e n b e m a t k h a y say v o i d o d a y l,5-2,0cm, t u o n g t i n g v o i 2,5 k g / m ^ c u 20 p h i i t d a o 1 lan, sa'y t r o n g v o n g 4 g i o , s a u d o n g h i e n t h a n h b g t . Viec sa'y g i m g 6 n h i e t d o n a y d a l a m c h o g i m g giii' d u g c h a u he't cac c h a t d i n h d u d n g , n g o a i ra t r o n g q u a h i n h che' bie'n k h o n g d e n h i e t d o cao h o n n e n d a m b a o cac d u o n g cha't t r o n g g i m g k h o n g bi bie'n t i n h a n h h u o n g d e h gia tri d i n h d u o n g . Bgt g i m g s a u k h i n g h i e n d a d u g c b a o q u a n t r o n g tui n i l o n 6 n h i e t d o 8-10°C d e t r o n v a o t h i i c a n n u o i cut.
2.4. C a c c h i t i e u t h e o d o i
C u t thi n g h i e m d u g c t h e o d o i h e u t o n t h i i c a n (TTTA) v a t a n g kho'i l u o n g c o t h e (TKL). C u t d u o c m o k h a o s a t Iiic 56 n g a y t u o i d e d a n h gia p h a m chat t h a n thit n h u k h o i l u o n g t h a n thit v a ty le t h a n t h i t t h e o p h u a n g p h a p ciia Biii H u u D o a n v a ctv (2011) 2.5. X u l y s o l i e u
So' lieu d u g c x u ly b a n g m o h i n h t u y e n t i n h t o n g q u a t ( G L M ) ciia A N O V A v a s o
s a n h s u sai k h a c giiia cac gia tri M e a n cua cac N T b a n g T u k e y ciia p h a n m e m Minitab 13.2 (2000).
3. KET QUAVA THAO LUAN
3.1. A n h h u o n g ciia b p t g i m g len k h a n a n g t i e u t h u t h i i c a n c u a ciit t h i t
K h a n a n g tieu t h u thiic an (TTTA) ciia cut thit N h a t Ban k h i b o s u n g cac m i i c d o b g t g i m g d u g c t r i n h b a y o Bang 2. Ke't q u a c h o tha'y m i i c TTTA ciia chim ciit 6 cac N T k h o n g k h a c b i e t co y n g h l a t h o n g ke (P>0,05). N h u vay, k h i b o s u n g b g t g i m g Ien d e h 0,2% t r o n g k h a u p h a n , c h i m cut v a n tieu thu thiic a n 6 m u c t u o n g d u o n g n h a u . Ke't qua n g h i e n c i i u n a y p h i i h g p v o i ke't q u a ciia D i e u m o u va c t v (2009) k h i b o s u n g d a u g i m g 6 m i i c 10, 20 v a 40 m g / k g t h e t r g n g d a k h o n g a n h h u o n g l e n k h a n a n g TTTA c u a ga thit. D o n g t h a i c u n g p h i i h g p v o i ke't q u a b o s u n g 0,25; 0,5 v a 0,75%
b g t g i m g v a o k h a u p h a n nuoi d u a n g ga C o b b 500 i h e o n g h i e n a i u ciia N g u y i n T h i K i m K h a n g va ctv (2015) cho thay TTTA ciia g a k h o n g t h a y d o i .
TTTA c u a ciit d u g c b o s u n g b g t g i i n g 0,1 va 0,2% o giai d o a n 1-4 va 5-8 h i a n t u o i la'n l u g t la 80,3-80,5 va 164 g / c o n / h i a n . Ket q u a n a y p h i i h g p v o i n g h i e n ciiu ciia Tchoffo va
64 KHKT'^^"" *>^'d, so 256 - tl-,niia 4 nam 2020
DINH Dl/ONG VA THU'C AN CHAN NUOI
ctv (2018) khi bo sung dau gimg 50-150 pl/kg KL tron vao khau phan ciit 3-11 tuan tuoi da cho TTTA la 142-151 g/con/tuan. Tuy nhien, kj't qua nghien cuu a i a La Van Kinh va Nguyen Thi Le Hang (2012) cho thay bo sung 0,375%.
bgt gimg vao khau phan ga thit Cobb 308 da cai thien dirge TTTA la 7,1%.
Bang 2. Anh hudng bpt gung len TTTA (g/con/tuan)
Tuan tuoi -
BG,Nghiem thiic
sau do giam dan de'n tuan thii 8. Dieu nay duoc giai thich do tuan thu 4 chim cut tich trii duong chat manh de thanh thuc sinh due nham chuan bi cho qua trinh sinh san, sau do chim cut chuyen sang giai doan smh san va bat dau de vao khoang 41 ngay tuoi (Biii Hiiu Doan, 2010).
Bang 3. Anh huong bpt gimg len TKL (g/con) Nghiem thiic
T . - S ^ I., A: S : CEh,( i>
BG,, BG„, SEM Tuan 1 35,8 35,5 35,4 0,28 0,70 Tuan 2 65,1 64,6 64,6 0,47 0,64 Tuan 3 96,5 95,9 96,2 0,96 0,90 Tuan 4 126 125 126 0,65 0,84 1-4 tuan 80,7 80,3 80,5 0,31 0,57 Tuan 5 142 142 141 1,25 0,94 Tuan 6 154 153 152 1,01 0,45 Tuan 7 176 176 175 2,28 0,94 Tuan 8 189 187 187 1,34 0,50 5-8 Hian 165 164 164 1,10 0,65 Ghi chu: BG^ (DC): NT do! chung; BG„,: NT bdsung 0,1% bot gieng: BG^,: NT bo sung 0,2% hot gung.
3.2. Anh huong ciia bpt gimg Ien tang khoi lupng CO the cua chim cut
Anh huong cua viec bo sung bgt gimg len tang kho'i lugng co the (TKL) cut Nhat Ban thit qua cac tuan tuoi dugc trinh bay a Bang 2. Ke't qua cho tha'y TKL ciia chim ciit 6 cac tuan, giai doan 1-4 va 5-8 tuan tuo'i khac biet co y nghia thong ke (P<0.05), ngoai trir tuan 1 va tuan 8.
Do'i voi giai doan 1-4 tuan tuoi, TKL cua chim cut dat cao nha't 6 NTBG^^ (26,96 g/con/tuan) so vai DC va NTBG^,, dat lan lugt la 24,52 va 25,39 g/con/tuan. Nhu vay, viec bo sung bot gimg tren 0,1% vao khau phan thiic an ciia chim cut thit da anh huong de'n kha nang TKL va hi do dan de'n NTBG,, ^ cho TKL chim cut cao nha't.
Ke't qua nghien a i u nay phii hgp voi ke't qua nghien ciiu ciia Nguyen Thi Kim Khang va ctv (2015) khi bo sung 0,25; 0,5 va 0,75%
bgt gimg vao khau phan nuoi duang ga Cobb 500 da cho TKL cao hon so voi DC. Tang khoi luong cua chim cut 6 cac tuan ciing khac nhau, trong do a tuan thii 4 dat cao nha't va
Tuan 1 16,39 16,97 17,31 0,26 0,108 Tuan 2 20,49" 21,22'' 23,0P' 033 0.003 Tuan 3 27,32" 28,29'' 30,32'' 0,39 0,005 Tuan 4 33,86" 35,08'' 37,11" 0,46 0,007 Tuan 1-4 24,52" 25,39" _ 26,96'' 0,31 0,004 Tuan 5 25,97* 26,90'' 28,69'' 0,40 0,008 Tuan 6 22,65'' 23,45-" 25,06" 0,44 0,020 Tuan 7 6,97" 7,22'' 8,04" 0,14 0,005 Tuan 8 8,36 8,66 8,83 0,17 0,225 Tuan 5-8 15,99" 16,56" 17,83^ 0,26 0,007 Ghl chu. Cdc gid tri Mean ciing hang mang chU' so'ind khac nhau Id sat khde co y nghia tho'ng ke P<0,05.
Ke't qua nghien cuu nay phii hap voi nghien cuu cua La Van Kinh va Nguyen Thi Le H5ng (2012) khi bo sung 0,375% bgt gimg vao khau phan ga thit Cobb 308 da cho tha'y TKL da cai thien dugc 9,8%. Dong thoi, TKL ciia chim cut 6 nghien ciiu nay ciing tuong duong vai nghien cuu a i a Avci va ctv (2007) khi bo sung axit humic miic 360, 480 va 600 mg/kg TA vao khau phan chim cut trong giai doan 4-6 tuan hioi da cho TKL la 27,16-28,21 g/con/tuan.
3.3. Anh huong ciia bpt giing Ien he so chuyen hoa thiic an cua chim cut
Bang 4 cho tha'y tieu ton thiic an (TTTA) a cac tuan tuoi ciia chim ciit dugc bo sung bgt gimg khac biet co y nghia tho'ng ke (P<0,05).
Tieu to'n thuc an ciia chim cut khong bo sung bgt gimg hian 1-4 (3,15kg TA/kg TKL), cao hon NTBG^j duac bg sung 0,1% (3,03kg TA/
kg TKL) va NTBG^, bo sung 0,2% (2,87). Dieu nay cho tha'y bot gimg da tac dgng va gay anh huong de'n kha nang tieu hoa ha'p thu thiic an ciia chim cut. Dong thoi, TTTA ciia chim ciit
KHKT Chdn nuoi .so 2')6 - thn^n- A -.^^ 2020
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DINH DU'ONG VA THU'C AN CHANNUOI
d i n g t a n g d a n q u a cac t u a n t u o i v a 6 t u a n 6 c h i m c u t 6 cac N T d e u k h a cao (6,06-6,79kg T A / k g TKL). D i e u n a y la d o c h i m ciit c h u a n b i b u o c v a o giai d o a n s i n h s a n v a d a y c u n g la ye'u to' d e cac n h a c h a n n u o i c h g n t h a i d i e m h a t h i t c h i m ciit v a o k h a n g 4-5 t u a n t u o i .
B a n g 4. A n h h u o n g b p t g i m g len TTTA (kg TA/kg TKL)
BG„ B 9 ^ BG„,
Tuan 1 2,18 2,12 2,10 0,02 0,07 Tuan 2 3,18- 3,04" 2,80'' 0,05 0,01 Tuan 3 3,54" 3,39''' 3,18" 0,08 0,05 Tuan 4 3,71" 3,57"" 3,39" 0,05 0,01 Tuan 1-4 3,15" 3,03"" 2,87'' 0,05 0,03 Tuan 5 5,47" 5,27"" 4,93" 0.11 0,04 Tuan 6 6,79" 6,52"" 6,06'' 0,13 0,02 Tuan 5-6 6,13" 5,89"'' 5,49" 0,12 0,03 T i e u to'n t h i i c a n c u a c h i m a i t liic 5-6 t u a n t u o i d n g h i e n a i u n a y la 5,49-6,13kg T A / k g TKL, CO k h u y n h h u o n g c a o h o n so v a i ke't q u a n g h i e n ciiu ciia Tchoffo v a c t v (2018) k h i b o s u n g d a u g i m g 50-150 p l / k g KL c h i m cut v a o k h a u p h a n ciit t r o n g giai d o a n 3-11 t u a n h i o i d a c h o TTTA la 4,63-5,89kg T A / k g TKL.
D o n g t h o i , T T T A o n g h i e n ciiu n a y ciing c a o b a n gia tri 4,4-4,59kg T A / k g T K L ciia c h i m cut N h a t B a n giai d o a n 4-6 t u a n t u o i t r o n g ke't q u a n g h i e n c i i u ciia Avci v a ctv (2007) k h i b o s u n g axit h u m i c v a o k h a u p h a n ciit N h a t b a n m i i c 360, 480 va 600 m g / k g TA. D o n g t h a i , k h i tieh h a n h n g h i e n c u u t r e n cut N h a t Ban d u g c b o s u n g d a u ciia n h u n g h a t m a u d e n (60 m g / k g TA) d a c h o gia tri 3,4kg T A / k g TKL t r o n g giai d o a n 0-38 n g a y t u o i t h e o b a o c a o ciia DenH v a ctv (2004) d a cho tha'y tha'p b a n ke't q u a c u a n g h i e n c i i u nay.
3.4. A n h h u d n g c u a b p t g i m g Ien c h a t l u g n g t h a n t h i t
Ke't q u a o B a n g 5 c h o tha'y cac chi tieu n h u kho'i l u g n g (KL) so'ng, KL s a u n h a t long, KL t h a n thit v a ty le (TL) t h a n thit c h i m cut N h a t Ban k h a c b i e t co y n g h l a (P<0,05) giira cac N T . BG^,^ d u g c b o s u n g b g t g i m g 0,2% k h a c v o i c a c N T c o n lai. T y Ie t h a n thit ciia NTBG^j
d a t 73,93%, c a o b a n 2 N T c o n lai: NTBGo, Ja 69,78% va NTBG„ la 68,94%. N h u vay, vi?c b o s u n g b g t g i m g v a o k h a u p h a n chim cut N h a t Ban a m i i c 0,2% k h o n g chi anh h u o n g d e n TKL m a con co t a c d g n g tich cue d e h c h a t I u g n g t h a n thit.
B a n g 5. A n h h u o n g ciia bpt g u n g Ien chat l u p n g t h a n thit chim ciit Chi tieu Nghiem thuc
BG„ BG„, BG„^ SEM KLsong, g 158" 161" 172" 1,32 0,01 KLsaunhatl6ng,g 151" 154" 163" 1,83 0,01 TLsau nhat 16ng,% 95,58 95,86 95,14 0,61 0,72 K L t h a n t h i t g 109" 112" 127" 0,84 0,00 TLthan thit, % i8.94'' 69.78" 73.93" 0,66 0,01 Ty le t h a n thit d a t 68,94-73,93%, h i o n g d u o n g v o i ke't q u a m o k h a o sat chim c u t liic 6 h i a n h i o i v o i ty le t h a n thit (71,74-73,26%) t r o n g n g h i e n c u u a i a Avci va ctv (2007) k h i b o s u n g axit h u m i c v o i lieu I u g n g 360, 480 v a 600 m g / k g TA, Ty le t h a n thit n a y ciing h r o n g d u o n g v o i gia tri 70,4% k h i b o s u n g d a u ciia n h i i n g h a t m a u d e n (60 m g / k g TA) v a o k h a u p h a n a i t N h a t Ban t r o n g n g h i e n ciiu ciia D e n l i va ctv (2004) d u o c m o liic 38 n g a y tuoi, n h u n g KL s o n g liic 38 n g a y tuoi d a t 198 g/con la c a o h o n ke't q u a n g h i e n a i u nay.
4. KET LUAN
Bo s u n g b g t g i m g 0,1 va 0,2% v a o k h a u p h a n k h o n g a n h h u o n g de'n TTTA ciia a i t N h a t Ban, n h u n g m i i c 0,2% da cai t h i e n d u g c TKL v a TTTA ciia a i t N h a t Ban d u o c n u o i d e h 7 t u a n t u o i .
Bo s u n g 0,2% b p t g i m g v a o k h a u p h a n thiic a n d a cai t h i e n KL va ty le t h a n t h i t a i t N h a t Ban liic 7 t u a n tuoi.
TAI UEU THAM KHAO
1. Denli M., F. Okan and A.N. Uluocak (2004), Effect of dietary supplementation of herb essential oils nn the growth performance, carcass and intestmal characte- nstics of quail {Coturnix coturmx japonica). Sou Afr 1 Anim. Sci, 34(3). 174-79
2 Dieumou F.E., A. Teguia, J.R. Kuiate, J.D. Tamokou, N.B. Fonge and M.C. Dongmo (2009) Effects ot i!mger {Zingiber officimli;) and garlic {Allium sativum) essential oils on growth performance and gut microbial popula- tion of broiler chickens. Liv Res. Rur. Dev, 21(8) http.//
KHKT Chd i sri 256 - thdns 4 ndm ?n->Q
DINH DU'ONG VA THU'C AN CHAN NUOI
w w w . l r r d o r g / I r r d 2 1 / 8 / d i e u 2 i : 3 1 - h t m . Bui HuTj D o a n (2009) C h a n n u o i bo cau va c h i m cut NXB N o n g N g h i e p , H a Ngi-
Bui Hfru D o a n (2010) N u o i va p h o n g t n b ? n h cho cut, NXB N o n g n g h i e p . H a N Q I .
Bui HuTi D o a n (2011). C a c chi tieu d i m g t r o n g n g h i e n c m i c h a n n u o i gia cam NXB N o n g n g h i e p . H a N g i . La Van Kinh va N g u y i n Thi L? K i n g (2012). A n h h u o n g ciJa che p h a m thao d u g c b a o che tir x u y e n t a m lien, day coc, g i m g b o s u n g vao thiic an cho ga d e h m p t so chi tieu n a n g sua't ga thit g i o n g Cobb-308, T a p chi N o n g n g h i e p v a PTNT, 3' 81-85.
N g u y e n Thi K i m Khang, N g u y e n N h u l Xuan D u n g , N g o Thi M i n h Sir(mg, Phan Thi Thiiy D u y va Le Thanh Phucmg (2015). A n h h u o n g ciia bo s u n g bgt
g i m g v a o thiic an d e n n a n g sua't sinh t n i o n g ga thit C o b b 500. T a p chi KHKT C h a n n u o i , 12: 32-39.
Tchoffo H., K.J. Raphael, N . Ferdin, F.T.L. Vitrice, A. G a y e , M.M. O u t m a n and N.M.W. Marvel (2018).
G r o w t h performance, s e r u m biochemical profile, oxidative status, a n d fertility traits in m a l e J a p a n e s e quail fed o n g i n g e r (zmgiber officinale, roscoe) essential oil. Veterinary M e d i c m e International h t t p s : / / doi org/10 1155/2018/7682060
Bui Thi T h o v a N g u y e n Thi Thanh Ha (2009). Giao trinh d u g c lieu thii y NXB N o n g n g h i e p , H a N g i . Vaci M., N. D e n e k and O. Kaplan (2007) Effects of h u m i c acid at different levels on g r o w t h p e r f o r m a n - ce, carcass yields a n d s o m e biochemical p a r a m e t e r s of quails. J A m m . Vet. Adv„ 6(1) 1-4.
ANH H I / 6 N G MLfC PROTEIN THO TRONG KHAU PHAN DEN NANG SUAT SINH T R U O N G CUA VIT XIEM DIA PHU-ONG
Nguyen Thuy Linh'-*, Nguyen Thi Kim Dong^ vd Nguyen Van Thu^
N g a y n h a n bai b a o : 02/03/2020 - N g a y n h a n bai p h a n bien: 25/03/2020 N g a y bai b a o d u o c c h a p n h a n d a n g : 27/03/2020
T O M TAT
Nghien ciiu nay n h a m xac dinh anh h u o n g ciia m u c protein tho trong khau p h a n len kha n a n g smh t r u o n g cua vit Xiem giai doan 5-8 tuan tuoi. Vit Xiem trong thi nghiem la cimg giohg, can bang trong mai, khoi lucmg dau vao tuong d u o n g va d m g dieu kien cham soc nuoi d u a n g . TTii nghiem duoc b o tri theo the thiic hoan toan ngau nhien voi 3 ngliiem thiic va 3 lan lap Iai. Cac nghiem thiic la cac miic protein tho trong khau p h a n 6 cac miic 17, 18 va 19% CP. Ke't qua cho tha'y rang khau phan voi miic 19% CP trong khau p h a n cua vit Xiem giai doan 5-8 tuan tuoi ve tang khoi luong va khoi l u a n g cuo'i deu cao h o n (P<0,05).
Tir khoa: Vit Xiem, protein tho, tdng khoi lugng, heso chuyen hoa thdc dn.
ABSTRACT
Effect of dietary crude protein levels on growth performance of Local Muscovy ducks A study was conducted to determine the effects of crude protein levels in diets on the growth performance of growing locai Muscovy ducks from 5 to 8 weeks of age. Birds in each treatment were selected in the same breed, sex, initial weight and take care conditions. The experiment was a completely randomized design with 3 treatments and 3 replicates. The treatments were crude protein levels of 17, 18 a n d 19%, respechveiy. The results showed that the dietary crude protein levels of 19% was optimal for local Muscovy ducks from 5 to 8 weeks of age, m weight gain and final live weight values (P<0.05).
Keywords: Muscovy duck, crude protein, weight gain, feed conversion ratio.
I.DATVANOi
P r o t e i n t h o (CP) va n a n g l u p n g (ME) co ' T n r o n g Dai hpc Tra Vinli
^ T r u o n g Dai hgc Tay D o
^Truong Dai hgc C a n T h o
' Tac gia hen he TS. N g u y e n T h u y Linh - T r u o n g Dai hgc Tra Vinh So 126 N g u y e n TTiien T h a n h - K h o m 4. P h u o n g 5, T h a n h p h o T r a Vinh, Tinh Tra Vinh Dien thoai. 0907.145 909;
Email thuylinh80@tvu,edu vn
vai tro q u a n t r o n g t r o n g d i n h d u o n g c u a v a t n u o i n o i c h u n g va c u a v i t X i e m n o i r i e n g , t r o n g d o n h u c a u C P d u o c q u a n t a m n g h i e n c i h i ( Z h a n g v a ctv, 2014), K a m r a n v a ctv (2004) c h o r a n g C P la m o t t r o n g cac t h a n h p h a n q u a n t r p n g t r o n g k h a u p h a n a n c u a gia c a m . D e d a m b a o t o e d p s i n h t r u c m g c h o vit X i e m , n g u ' o i c h a n n u o i p h a i c u n g ca'p d a y d u v a c a n d o i
KHKT Chdn nuoi so 256 - thdntr 4 ndm 2020
