CHAN NUOI DONG VAT VA CAC VAN DE K H A C
15. Qureshi A.A. (2005), Open house tips for layers 19. Vale M.M., Moura D.J., Naas LA. II and in hot climate zone. World poultry - Elsevier, Pereira D.F. (2010), Characterization of heat 17(6)-32-34. waves affecting mortality rates of broilers . A . . . T ^ j j n o J T^sAv^f \Ai between 29 days and market aee. Rev. Bras.
16. Ryder A.A., Feddes J.J.R. and Zuidhof M.J. io/k,.9i 90 (2004), Field study to relate heat stress index to ^'^"•^- ^'"^- ^''***- ^^•'^^•
broiler performance. Journal Applied of Poultry 20. Vecerek V., Strakova E., Suchy P. and Voslarova Research 13- 493-499. ^- (2002), Influence of high environmental 17. Sarker M.S.K., Islam M.A., Ahmed S-U. and ternperature on production and haematological
Alam J. (2002), Profitability and meat yield traits of different fast growing broder strains in
and biochemical mdexes in broiler chickens.
Czech J. Anim. Sci., 47(5): 176-182.
Winter. Online J. Biol, Sci., 2(6): 361-363. 21. Winn P.N. and Godfrey E.F. (1967), The effect Tao X and Xin H. (2003), Temperature- of humidity on growth and feed conversion of humidity-velocity: index for market-size ''roiler chickens. International Joumal of broilers. ASAE Annual Meeting; Las Vegas. Biometeorology, 11(1): 39-50.
USA. Paper n. 034037.
SI/ DUNG BOT LA CHUM NGAY {MORINGA OLEIFERA) VA MUONG HOA PHAO {CALLIANDRA) LAM NGUON
THL/C AN B 6 SUNG TRONG KHAU PHAN CUT DE
y%'^^-(f Nguyin Thi Hong Nhan^', Tran Trgng Nhdn^, Le Van Nhut\ Nguyen Van H6n^
N g a y n h a n b a i b a o : 30/11/2014 - N g a y n h a n b a i p h a n b i e n : 08/12/2014 N g a y b a i b a o d u g c c h a p n h g n d a n g : 09/12/2014
T6M TAT
180 cut de 40 ngay tuoi duoc sir d y n g de nghien ciiu tac dgng ciia bot la Chiim Ngay va muong Hao Phao len nang sua't va chai lugng tning tai Trai thuc nghiem chan nuoi trudng Dgi hgc Tra Vinh, lii thang 9/2014 deh thang 11/2014. Thi nghiem dugc bo'tri theo the thiic hoan toan ngau nhien vdi 3 nghiem thuc va 4 Ian Igp Igi. Cac nghiem thirc gom: NT DC (Thiic an ciia trai); NT M H P (Thiic an ciia trgi + 5% bgt co Muong hoa phao) va NT CN (Thiic an cua trgi + 5% bgt la Chum ngay). Ke't qua eho tha'y bo sung bot la vao khau phan se duy tri dugc thdi gian de ciia ciit va cai tliien dugc m a u s5c long d o ciia tning.
T^ khoa: Bot la, citt de, Chiim Ngay, muong Hoa Phdo
A B S T R A C T
Effect of Moringa oleifera a n d Calliandra leaf m e a l a s a f e e d s u p p l e m e n t i n t h e d i e t of l a y i n g q u a i l s
Nguyen Thi Hong Nhan, Tran Trong Nhan, Le Van Nhut, Nguyen Van Hon The experiment was conducted at the experimental farm in TraVinh University, the trial a randomized design was used 5% levels of Moringa oleifera or Calliandra leaf meal with 180 laying quails.
' Truong Dgi hgc Can Tho
* Tac gi^ de lien h^: TS. Nguyen Thj H6ng Nhan, Giang vien chinh, Khoa Nong Nghiep & Sinh hoc Lfng dung- Truong Dai hgc Can Tho. Di^n thogi: 0947434989E-maiI: [email protected]
52 KHKT Chan nuoi So 4 - 2 0 1 5
The results for mean egg production and egg quality of laying quails were similar for the control and experimental diets but maintain the time of laying quail and improve the color of egg yolks for diets with leaf meal. The Moringa oleifera or Calliandra meal could be acceptable as sustainable feed resource up to 5% in laying quail diets.
Key words: leaf meal, laying quails, Moringa oleifera and Calliandra 1. DAT VAN DE
De nang cao chat lugng thit tning va giam gia thanh san xua't bang each tim ra nguon thiic an bo sung phii hgp voi dieu kien dia phuong la van de rat can thiet.
Ngay nay, ngay 6 cac nuoc phat trien, bpt CO van la thanh phan khong the thie'u trong khau phan an ciia gia siie, gia cam. C) mpt so nude tren the' giai vi^c san xua't bgt CO da tro thanh mgt nganh cong nghi|p ehe' bie'n bot la thvrc vgt nhu: Thai Lan, An Do,...
Qua nhieu nghien ciiu 6 tren the' gioi va trong nuoc, nhieu nha khoa hoc da ke't luan rang bpt co cung ca'p nhieu vitamin ty nhien dgc biet la tien vitamin A (p - caroten), sac to' vang xanthophyll va vitamine E nhtmg cha't eho'ng oxy hoa, ngan can tich trii cholesterol trong mau. Ngoai ra, la xanh con chiia nhieu cha't quinol va phenol, la nhiing cha't eho'ng viem nhiem va bai tie't chat dpc eho ngiroi va dpng vat.
Nham khai thac co hi?u qua nguon nguyen li?u san co, de trong lam co so eho viec xay dung dy an san xua't thii cac cay thiic an CO tiem nang lam thiic an bo sung eho gia siic, gia cam trong nhiing nam tie'p theo. Vi?c nghien ciiu sir dyng bpt co bo sung eho gia cam ndi chung va ciit de thuong pham noi rieng la rat can thiet. Xuat phat tir thyc tien tren, chung toi da tieh hanh de tai: "Sii dung bgt la Chum ngdy (Moringa oleifera) va Muong Hoa phdo (Calliandra) lam nguon thifc an bo sung trong WioM phan cdt de".
2. VAT LIEU VA PHl/ONG PHAP NGHIEN OJtl 2.1. Bo tri thi nghiem
Thi nghiem dupe tie'n hanh tir thang 9/2014 de'n thang 11/2014, tgi Trgi chan nuoi
thyc nghi?m Truong Dgi hpc Tra vinh. 180 chim a i t hgu bj 40 ngay tuoi dupe bo' tri theo the thiic hoan toan ngau nhien vol 3 nghiem thiic va 4 Ian lap lai. Thi nghiem bat dau khi ciit de 10% va keo dai trong 8 tuan. Cac nghi|m thiic thi nghiem gom:
NT DC: Thiic an cua trgi
NT MHP: Thiic an cua trgi + 5% bpt co MuSng hoa phao
NT CN: Thiic an cua trgi + 5% bpt co Chiim ngay
Bdng 1, Cong thuc khau phan thiic an eho cut thi nghiem
Thvc Ii?u (%) Bap T i m Cam B9t nanh B^tca Bpt xuong Bgt v6 so L-lysin.HCL DL-methionin Premix BQt CO Caliandra Bpt c6 Chiim ngay Tong s6' Protein tli6 (%)
Nghiem thirc Doi chlrng
20 29 9 23 12 1 4,8 0,1 0,1 1 0 0 100 24,20
M H P 0 49 4 23 12 1 4,8 0,1 0,1 1 5 0 100 24,18
CN 0 49 4 23 12 1 4,8 0,1 0,1 1 0 5 100 24,22 Thiic 3n thi nghi#m la thiic 3n hon hpp cua trgi, bpt la Chiim ngay (CN) va Muong hoa phao (MHP) dupe san xua't tgi phong thi nghi?m thiic an' gia siic, Khoa Nong Nghiep
& SHLTD, Truang Dai hpc Can Tho.
Chuong ciit dupe dat trong trai thoang mat, tranh gio liia va tiehg on. Chuong co h#
KHKT Chan nudi Sd'4-2015
53
CHAN NUOI DONG VAT VA CAC VAN DE KHAC
thong uong ty dpng, mang an dupe dat phia ngoai chuong.
2.2. Cac chi tieu theo doi va phuong phap thu thap so Ii?u
Ti 1? de: Triing dupe thu lupfm liic 17 gio m6i ngay va dem tren timg nghiem thirc, cpng don cuo'i tuan so ke't.
Tieu ton thiic an: Thiic Sn su dung duac theo d5i va tinh theo tuan tuong ling voi so dau con hi^n di^n trong tuan.
Kh6i lupng tning (g/triing): Can khdi lupng 5 triing cut, sau do lay binh quan (2 tuan lay chi tieu 1 lln).
Chi so hinh dang: sau khi can trpng lupng triing xong thi ti^n hanh do duong kinh ngiin va duong kinh dai bang thuoc kep,
Miu s^c long do: Sau khi do duong kinh ngdn va duong kinh dai tien hanh dap va quan s^t 5 triing tren timg nghiem thiic. K i ^ tra mau St'lc l6ng do b^ng qugt so mau Roche.
2.3. X^ li so li^u
So' li?u thu thgp dupe ghi nhan va xir li bang phan mem Minitab 16.1 (2010).
3. K^T QUA VA THAO LU^N
3.1. Anh hu6ng ciia bpt la len ti 1^ d^ ciia cut Thi nghi?m dupe tie'n hanh khi ti 1^ de ciia cut 6 cac nghi?m thiic tuong do'i on dinh va dgt 10%. Ti Ip de truoc thi nghi?m chenh l^ch ra't nho, khong dang ke. Theo Vo Thi Ngpc Lan va Tran Thong Thai (2004) ne'u giong chim cut to't, dinh duong hpp li va cac dieu ki?n khac dupe thoa man thi ciit mai bat dau eho qua trirng dau tien vao ngay tuoi thii 42-45, ti 1? de tang dan, dat deh cao diem va bat dau giam dan theo thoi gian. Trong thi nghi?m ciit rot hpt dau tien liic 40 ngay tuoi, chung to ciit thi nghi?m co chat lupng to't, ehe' dp dinh duong va cac dieu ki?n tieu khi hgu thich hpp eho ciit thi nghi?m.
Bing 2. Ti I? de (%) cua ciit thi nghiem qua cic tu^n Tlioi gian
T u a n l Tuan 2 Tuan 3 Tuan 4 Tuan 5 Tuan 6 Tuan 7 Tuan 8 Trung binh
DC 35,95 70,95 88,57 92,14 91,43 97,22 91,91' 89,98>
82,27
Nghiem thuc M H P 36,00 75,41 84,22 89,68 92,71 97,06 93,93*
94,32*
82,92
CN 36,64 74,05 83,87 89,12 92,79 97,34 97,73- 98,44' 83,75
SEM 2,41 4,24 2,19 3,57 2,51 1,56 1,45 1,71 1,94
P 0,90 0,76 0,29 0,82 0,91 0,99 0,05 0,02 0,17 Chi chU:'-'' Cdc gid tri trung bhth mang cdc chii: khdc nhau tren ciing hang la khdc biet co y nghia thongki
Ti le de ciia ciit trong thi nghiem dao dpng tir 82,27% den 83,75%; tha'p hon so vdi bao cao aia Do Hiru Phuong (1993) co ti le de dao dpng tir 86,39% de'n 88,33% va nghien ciiu cda Tran Hong Djnh (2010) cut co ti le de dao dgng tir 88,75% den 91,41%. Nhung cao
hon bao cao cua Phong Van My (1994) ciit co ti 1? de trong khoang 57,58% den 73,69%. Sy khac bi^t nay ta do thoi gian bat dau la'y chi tieu a cac thi nghi?m khac nhau. Thi nghi?m ciia chiing toi bat dau lay chi tieu khi ti 1| de cua dan ciit dgt 10%, thi nghiem ciia Do Hiiu
54 KHKT Chan nu6i So 4-2015
Phuong (1993) thi dupe tieh hanh khi ri 1? de cua ciit 6 cac nghi|m thiic dat 50% tro len, bao cao ciia Phong Van My (1994) thi lay chi tieu khi ciit rot hpt dau tien va nghien ciiu cua Tran Hong Dinh (2010) bat dau ghi nhgn chi tieu liic ciit dat 10 tuan tuoi (ciit de khoang 80% tro len). Ti le de ciia ciit a nghiem thirc DC tang cham hon va giam som
hon so vol nghi?m thiic MHP va nghiem thiic CN. Cy the 6 tuan thii 7 va 8 ti Ip de ciia nghiem thiic CN van on dinh va dgt 97,73- 98,44%; nghipm thiic MHP co chieu huong giam tir 97,06% 6 tuan 6 con 94,32% 6 tuan 8 va nghi?m thiic DC giam tu 97,22% xuong con 89,98% (P=0,02).
Bleu do 1. Ti 1^ de ciia ciit thi nghiem qua cac tuan 3.2. Anh hu'6ng cua bpt la len ti I^ tieu ton
thiic an ciia cut
Tieu toil thiic an ciia ciit 6 tuan 1 cao hon so vdi cac tuan sau do la do 6 tuan 1 he tho'ng mang an eho ciit thi nghiem dupe lam tir 6'ng nhua loai nho nen trong qua trinh an, voi tgp
tinh ciia loai gia cam nen lupng thiic an roi ra ngoai rat nhieu lam anh huong de'n tinh chinh xac cua thi nghiem. Vi the^ de'n tuan thii 2 tro di thi h^ tho'ng mang an da dupe thay doi sang 6'ng co Ion de han die' thiic an bi roi ra ngoai trong qua trinh an ciia ciit.
Bang 3. Tieu ton thiic an (g/trirng) cua ciit thi nghiem qua cac tuan
... .
Tuan 1 Tuan 2 Tuan 3 Tuan 4 Tuan 5 Tuan 6 Tuan 7 Tuan 8 Trung binh
D C 63,10 35,64 31,85 31,68 31,88 30,49"
32,50"
32,61- 38,03
Nghiem thuc M H P 63,38 33,61 33,44 31,50 29,48 28,90*
29,64>
29,76»
36,70
CN 63,05 33,67 32,60 32,20 30,24 28,44' 28,35' 28,43' 36,35
SEM 4,28 1,94 0,88 1,28 0,88 0,49 0,56 0,58 0,89
P 0,998 0,712 0,516 0,923 0,198 0,038 0,002 0,002 0,409 Ghi chit: "•''.• Cdc gid tri trung binh mang cdc chii klidc nhau trin ciing hang Id khdc hiit co y nghia thohg ke.
vuiTT Phan nuni Sa A - 2015 55
CHAN NUOI DONG VAT VA CAC VAN DE KHAC
Tieu ton thiic an (g/triing) ciia thi nghi?m dao dpng tir 34,62 den 36,59g, cao hon so vdi bao cao cua Do Hiru Phuong (1993) CO ti le lieu ton thiic an la 25,08-26,09g va bao cao cua Phong Van My (1994) thi dao dpng hi 25,68 den 33,89g. Theo thi nghiem cua Nguyin Thi Tuyet Nhung (2003) thi hp so ehuyen hoa thiic an (kg thiic an/kg tning) ciia chim ciit de la 28,8-29,9. So di co su khac nhau nay la do lugng thiic an hao hyt 6 tuan dau tien kha cao va trong thi nghiem chiing toi khong dinh miic lupng thiic an ma eho an ty do de tranh anh huong de'n ti 1§ de.
3.3. Anh hudng cia bOt la ISn khoi lupng triing cut
Tir lau ciit da dupe con nguoi thuan hoa cao dp, neii khong bi kim ham, de chim an tu do, no CO the de ra't sam chi mdi 5 tuan tuoi da CO the de tning dau tien, sau do de kem, nang suat triing tha'p, tning be va dan chim rat chong tan (Biii Hihi Doan, 2009). Khoi lupng triing la chi tieu quan trpng co y nghia thuong mgi diing de phan logi triing va co anh huong deh gia thanh va thj hie'u nguoi tieu diing.
Bang 4. Khoi lupng tning cut thi nghiem qua cac t u ^
Tuan 2 Tuan 4 Tuan 6 Tuan 8 Trung bmh
D C 10,05*
11,58 12,42 12,16 11,55
Nghiem thirc MHP 10,32- 11,57 12,79 12,38 11,77
CN 9,77*
12,56 12,53 12,38 11,56
SEM 0,18 0,23 0,21 0,24 0,15
P 0,027 0,997 0,474 0,774 0,54 Ghi chu: "^^ Cdc gid tri trung binh mang cdc chif khdc nhau tren ciing hang la khdc biet co y nghia thohg k
Khoi luong triing ciit trong thi nghiem khac biet co y nghia tho'ng ke giira cac nghi?m thiic, Chi rieng tuan thii 2 tning ciia nghiem thiic MHP dgt trgng lupng cao nhat la 10,32g; nghiem thiic DC la 10,05g va nghiem thiic CN tha'p nha't la 9,77g. Khoi lupng tning ciit thi nghi#m dao dpng tir ll,55-ll,77g cao hon so voi bao cao cua Do Hiiu Phuong (1993) co khoi lupng tning ciit trung binh tir 10,56-10,82g, bao cao ciia Phong Van My (1994) thi trirng co khoi lupng tir 9,35-10,35g, nghien eiiu cua Tran Hong Dinh (2010) khoi lupng triing dao dpng tir 10,43-10,79g. Su khac bi?t nay la do thoi gian lay chi tieu thi nghiem khong giorig nhau va trpng lupng lupng triing con tiiy thuoc vao dac diem di truyen va sy thich ung ciia ciit tgi dja phuong.
3.4. Anh huong ciia bpt la len chi so hinh dang ciia trung ciit
Bdng 5. Chi so hinh dang cua tning ciit thi nghiem ThM
gian TuSn2 Tuan 4 TuSn6 Tuan 8
N g h i e m thtrc D C M H P C N 78,11 78,41 78,04 77,19 79,01 77,53 78,20 77,68 77,25 76,98 76,94 77,89
SEM 0,76 0,73 0,70 0,47
P 0,937 0,224 0,645 0,327 Chi so' hinh dang triing cut trong thi nghipm khong co sy khac bi?t y nghia giira cac nghipm thiic. Chi so' hinh dang a thi nghi?m dao dgng khoang 77,19-78,20%, phii hpp vol bao cao eiia Phong Van My (1994) la chi so hinh dang trong khoang 76,61-79,14%, cao hon so vai dieu tra ciia Biii Huu Doan (2009) cong bo chi so hinh dang 70-75%, b^o
56
KHKT Chan nu6iSc^4-2Ql5c a o ciia T r a n H o n g D i n h (2010) co chi s o h i n h d a n g 75,98-77,27%. T h e n l i u n g , t h a p h o n so v a i n g h i e n c i i u ciia P a n d a a n d S i n g h (1990) CO c h i s o ' h i n h d a n g 78,5%. S u k h a c b i e t n a y la d o cac gio'ng c h i m ciit d u p e c h p n n u o i v a d i e u k i e n m o i t r u o n g t h i n g h i e m k h a c n h a u . T h e o Bill H i i u D o a n (2009), h i n h d a n g t r i i n g ciia cac gio'ng c h i m k h a c n h a u thi k h a c n h a u v a p h u t h u g c v a o d a c d i e m d i t r u y e n . Clii so' n a y co y n g h i a q u a n t r g n g t r o n g c h a n n u o i vi t n i n g c a n g d a i tiic c h i s o ' h i n h d a n g c a n g n h o thi t n i n g c a n g d e b e k h i v a n e h u y e n . K e t q u a eho tha'y ta't ca t n i n g ciit t r o n g thi n g h i e m d e u d a t d u g c y e u e a u v e c h a t l u p n g . 3.5. A n h h u d n g c u a b p t l a l e n m a u sac l o n g d o c u a t r i i n g c u t
M a u s a c l o n g d o l a c h i tieu q u a n t r g n g q u y e t d i n h d e h v i e c tieu t h u ciia n g u o i t i e u d i i n g . Thi h i e u n g u o i t i e u d i i n g d e c h a p n h g n t n i n g CO m a u d o d o h o n . T h e o D o H i i u P h u o n g (1993), m a u ciia l o n g d o c h u ye'u la d o s y h i e n d i e n ciia s a c c h a t t r o n g k h a u p h a n q u y e t d i n h .
B a n g 6 e h o tha'y m a u sac l o n g d o ciia n g h i e m t h i i c M H P v a n g h i e m t h i i c C N k h a c b i e t CO y n g h i a tho'ng k e s o v o l n g h i e m thiic D C (P<0,05). C u t h C n g h i e m t h i i c M H P c o m i i c m a u t r u n g b i n h la 8,41 c o n n g h i e m t h i i c C N CO m i i c m a u t r u n g b i n h la 8,58 v a c 6 m a u d o tot h o n SO v o i n g h i e m t h i i c D C .
B i n g 6. M a u sSc l o n g d o ciia t n i n g cut thi n g h i ? m q u a cac t u a n Thoi
gian
N g h i e m t h u c
D C M H P CN SEM
Tuan 2 4,95" 8,10 8,25= 0,11 0,001 Tuan 4 3,80" 8,28= 8,20= 0,18 0,001 Tuan 6 3,80" 8,60^ 8,80= 0,18 0,001 Tuan 8 4,53" 8,65° 9,08= 0,12 0,001 Ghi chu:'-'' Cdc gid tri trung binh mang cac chie
khdc nhau tren ciing hang Id khdc bict co y nghia thong ke.
Mau sac long do trong thi nghiem dao dgng trong phgm vi 4,23-8,58, thap hon so voi bao cao cua Do Hiru Phuong (1993) cong bo'mau sac long do khoang 3,5-14,45. So di co su sai khac nay la do trong thi nghiem ciia Do Hiru Phuong (1993) co bo sung Xanthophyll, chat nay co vai tro quyet dinh trong Viec tgo ra mau sac ciia long do trirng.
Mau sac long do ciia thi nghiem cao hon so vdi bao cao cua Phong Van My (1994) co mau long do trong khoang 5,2-6,25 va ngiiien ciiu ciia Tran Hong Dinh (2010) co mau long do dao dpng trong khoang 5,25-7,12. Theo Le Nggc Tii va ctv (1997), chat lupng ciia cac san pham khong nhiing bao ham gia tri dinh duong ma con bao ham gia tri cam quan ciia chiing ta nira. Mau sac la chi so' quan trgng ciia cam quan. Mau sac ciia san pham khong chi gia tri ve mat hinh thiic ma con co tac dung sinh li rat ro ret. Mau sac thich hgp se giiip ca the dong hoa dupe san pham do de dang. Bo sung bgt co kliong chi co tac dung lam mau sac long do them ha'p dan ma con tgo ra dupe nhieu gia trj sinh hgc do'i voi siic khoe cua nguoi sir dung va tgo duoc hieu qua kinh te'cho nguoi chan nuoi.
3. KET LUAN
Tir ket qua thi nghiem eho tha'y khi bo sung bpt la Chiim ngay va bpt la Muong hoa phao vao khau phan thiic an eho ciit de thuong pham voi ham lupng 5% se giiip duy tri dupe thai gian de, lam giam tieu to'n thiic an, tao mau dep eho long do tning.
TAI LIEU THAM KHAO
1 Tran Hong Dinh (2010), Anh huong cac mue protein th6 len kha nang sinh trucmg va phat due cua chim cut va cac miic nang lugng va protein tren nang suat triing ciia cut mai sinh san nuoi tai tinh B?c Lieu, Luan van tot nghiep Dai hoc, Truong Dai hgc Can Tho.
2. Bili Hu-u Doan (2009), Chan nuoi bo eau va chim ciit, Nha xuat ban Nong Ngliigp, Ha Noi.
KHKT Chan nuoi So 4 - 2 0 1 5
57
CHAN NUOI D O N G VAT VA CAC VAN DE KHAC
3. Vo Thj Ngpc Lan va Tran Thong Thai (2004), Roe, sustainale livestock poduction on local feed Nuoi cut. Nha xuat ban Nong Nghiep, TP. HCM resourcer. Agricultural publishing house.
4 Minitab (2010), Minitab Reference Manual, PC 7, Panda B. and Singh R.P. (1990), Development in Version, Release 162. Minitab Inc., State College, PA. processing quait. World Poult. Sci. J., 46:219-234.
5 Phong Van My (1994), Thir nghiem thay the bot 8 Do Huu Phuong (1993), Thir nghiem bo sung bap bang b$t khoai mi va b^t khoai mi u nam soi bgt c6 va Carophyll vao khau phan ciit dd, Luan Cephalosporium eichhorniae trong khau phan ciit van tot nghiep Dgi hgc Can Tho.
de, Lugn van toi nghiep Dgi hgc Can Tho. ^ ^e Nggc Tu, Le Doan Dien va Nguyen Thj 6. Nguyen Thi Tuyet Nhung (2003), Improving the Thinh (1997), Hoa sinh hoc cong nghif'p.Dai hgc
yolk colour of quail eggs by supplementing the THCN Ha Ngi.
ration with cassava leaf meal and Field Carb
ANH H l / d N G CUA B O T CO DAU BlEC {CLITORIATERNATEA) TRONG KHAU PHAN DEN NANG SUAT VA CHAT L U O N G
TRl/NG GA TAU VANG
^'> Nguyen Van H&n ' ' N g a y n h a n b a i b a o : 17/01/2015 - N g a y n h a n b a i p h a n b i ? n : 21/01/2015
N g a y b a i b a o d u p e cha'p n h g n d a n g : 22/01/2015
TOM TAT
Till nghiem dupe tie'n hanli tgi Trgi thyc nghiem truong Dgi hgc Can Tho.Thoi gian tif 07/2014 den 09/2014 de xac djnh anh huong ciia bol co dau Bie'c de'n nang sua't va chat lupng trung cua ga Tau vang.
Chin muoi ga de 35 tuan tuoi dugc bo Iri ngau nhien vao 3 nghiem thiic. Moi nghiem thuc ga dupe eho an khS'u phan an co 0; 3 va 5% b§t eo. Cac ehe dp ch5m soe n h u rihau va d u p e theo doi Uen tyc trong 5 tuan. Ke't qua thi nghiem eho tha'y khong eo su khac bi^t dang ve nang sua't va chat lupng trii'ng. Tuy nluen, mau sac long d o t n i n g co dugc cai thien khi bo sung 5% bgt co (P=0,03). Cac ket qua thi nghiem eho tha'y 5% bgt co dau Bie'c co the bo sung vao khau phan cua ga Tau Vang de.
Tic khda: Dot co dan BiH'c, ga de, nang suat trieng, nidu sdc long do
A B S T R A C T ^ Effect of Clitoria tematea m e a l o n p e r f o r m a n c e a n d e g g q u a l i t y of T a u V a n g l a y i n g h e n s
Nguyen Van Hon The experiment ivas conducted at the Can Tho University Experimental Station from July to September, 2014 to determine the effect of Clitoria tematea meal on performance and egg quality of Tau vang laying hens.
Ninety laying hens 35 weeks old were randomly divided into 3 treatments. Each treatment was fed a ration containing 0; 3 and 5% Clitoria tematea meal. Alt diets were isonitrogenous and were fed to the layers continuously for five weeks. There is no significant differences in egg production and egg quality. However,
Truong Dgi hgc Can Tho
* Tac gia de lien h?: TS. Nguyen Van Hon, Giang vien chinh, Khoa Nong Nghigp & Sinh hgc tJng dyng- Truong Dgi hgc Can Tho. Dien thogi: 0947434989E-maiI: [email protected]
58 KHKT Chan nuoi So 4 • 2Q15
