D I N H P y g N G VA THtrc AN CHA IV OT ini
Str DUNG BQT RONG MO (SARGASSUM SPP.) TRONG THIJ'C A N CHO G A DE TRUNG
Le Viet Phuong'' Ngay nhan bai bao: 12/06/2016 - Ngay nhan bai phan bien: 23/06/2016
Ngay bai bao duoc chap nhan dang: 24/06/2016 TOM TAT
thu nhan thuc an va hieu o u i ™ rf . I T ^^'' ''. "^ =" * " " " S suat, chat lucmg tning, khong c6 bot rong Mo, 6 ba 16 t l ? n g h i e r ( T O I TV, ? N 3 1 i^b ?'" M "' '^'^<' " " ^ ^ *"
s u d u n g Ian 1„M la 4 5vi<,% Keio,,,,h A I Z- '^ '« M rong .Mo trong Ihiic an dngc cvc den^'chS luong t n h , r n : a u I T X ™ % t . ^ ^ - „ ' " 3 3 ' ' " " ' ^ ' - « -
mn,, nhung Ich6„g anh huong den l o n g Z ^ n l l ^ L ' ^ ° '""" "" ' ' • ' " ' * ' ' " ' ' • ^ ' Tu khoa: Sol rong Mo, Ihuc dn chan nuoi. jo de. It/ le de
ABSTRACT
Using seaweed meal (S»rs,ss,„„ spp.) in diet for laying hens
. 4% SM, TO2 - 5% SM and^T J f 6% S M ^ the dTef i S e """'" '""°""'--' ° ^ " °°" ^"^ ™ 1 resulls showed thai using 5% SM in to dle^ ff ,., " " " " P f """•"'» '™re repeated 3 times, Tlie 9,47 to 11,33), but d,d nof,tftc, fee" m'ake " " " " " ' > ' ° " " " < " ' " <"'« ' " " ^ e d from
Keyword: Sargassum s p p , animal feed, laying hens.
1.B«T*j(NB(
Vi#t N a m co n g u o n loi rong bien rat da
<3jng va p h o n g phii voi khoang 794 loai, p h J n bo o v u n g bien mien Bic 310 loin (tir Q u a n g Bmh tro ra), mien Nam 484 loai { i i D i N a n e tro vao), 156 loii tim thay o c i hai mien (Nguyen Hiru Dinh v i ct^-, 1993; Trin Thi Luyen va ctv, 2004).
Tren the gioi, nhieu nam nay rong M o (S«rj;«ss,„„ spp.) d u g c su d u n g trong r i i nhieu linh vuc: t h u c p h a m , d u o c pham, n o n g nghiep va_ nguyen lieu cho c6ng nghiep. T i l i u , o mpt so n u o c chau Au d i su d u n g rong bien lam Ihue an cho d g n g v i t n h u c i u v i n g u a ' Khoj Chan nui, - H „ „5„ N6„g „gh,^ y.j, ^,^,^
tllta' -1° 1 ,."•- " ™' '•''"•"« « - » »••* O™.
r • ,? ; " * " " > ' " « " " ^™i! »«iiifp Vti, s ™ ; r ™ Ouy. C . U m , Hi N,, D.jn ihoa, 09S4 i!7 V Ema,l Kphuong.'uvnuaedu \Ti . ^uuji
o cac v u n g ven bien - noi c6 n h i e i rong nau d a t v a o bo. N g i y nay, d o d u o c tang c u o n g c i nuoi trong va khai thac h i hi nhiijn, rong bien d u g c su d u n g l i m thuc an cho d g n g v i t voi so l u o n g ngay c i n g tang len (Dennis, 2003) Viet Nam, rong Mo d u o c n h i n dan ta biei deh v i su d u n g chu >-ei chi voi m u c dich lam t h u c p h a m va p h i n bon.
Theo C e m i (2011), h i m luong protein cua rong b,_en dag d g n g > 4 7 % chai kho (phu thuoc dac biet v i g loii v i dieu kien moi i u o n g ) Protem cua rong bijin li mot ngufin cic axit amin q u a n t r g n g d i e bii^t l i g h c i n e , alanme argmine, proline, glutamic v i a d d asparhc cic axit amm thiel y e i chiein toi gan mot nua trong long so axit amin trong rong bien, prgtein cua Chung gan giong protein t m n g
Rong Mo da d u o c nghien c i u su d u n g
KHKTCIidn nudi sd 213 - limng II „dm 2016
DINH Dl/OfNG VA THlTC AN CHAN NUA
b-ong chan nuoi va nuoi trong thuy san i-ihu nghien cun cua Arizo va ct\ (2015) bo s u n g vao thuc an cho torn sii, cho tiiay co hieu qua rich cue tai tg le nuoi song, tang cuong klia nang mien dich va tang siJc d e k h a n g ciia torn.
Su d u n g rong Mo Iam thiic an cho de cning da thu nghiem cung co ket luan h i o n g hr (Ca- sas-Valdez va ct\', 2006). Sih-ia va ctv (2012) d5 su d u n g bot rong M a h o n g khau phan cua ga Leghorn d e va thay mot so chi rieu chat Iifong t n i n g d u o c cai thien tich cue.
Vi vay, nghien o i u su d u n g hieu qua nguon rong Mo s^n co, riem n a n g lon, tai tao, ben vOng lam nguyen lieu thiic an chan nuoi d e giam va thay the cac nguon nguyen lieu n h a p kliau la rat cap thie't.
2. »*T u|v M nmrnc nub> NGHKN cOu 2.1. Vat lieu va thoi gian n g h i e n c u u
- Bot rong Mo d u g c san xuai t i rong tuoi, khai thac d u g c tii hi' nhien h g n g mua thu hoa- ch t h i n g 6-7 tai v i n g bien hnli K h i n h Hoa.
Sau khi khai thac t i bien, rong M o turn d u g c rua bang n u g c nggt, v i phoi trong g i i n co m i i che trgng mgt ngay roi d u g c s i y kho trgng buong s i y o nhiet dfi 65"C, rgi d u o c nghien bgt sau khi d u g c l i m ngugi, co thanh phan hoa hgc. dg am 12,72%; protein thfi 4 03%
Iipit thfi 0,10%; xo tho 12,52%, k h o i n g tong sS
- Ba tram .sau muoi g i m i l gicVng Ai C i p de trung thuong p h i m 20 tuan hifii.
- Thi nghiem d u g c thuc hien t i thane 2 den t h i n g !)/2016.
2.2. P h u o n g p h a p nghien cuu
Ba t r i m siu muoi g i mii Ai C i p 20 t u i n hioi (chuan bi v i o de) d u o c chia di^u t h i n h 4 Tsn'r-i°-'!°' '''""'^ ' ° ^ ' ™ '"' '° *•• "Sh'6™
(TN). Che do Cham soc, nufii d u o n g g i 6 cic 16
"^""""- '=''" '''''^ " ' « " * u c i n lfi dfii chiing (DC) khong su d u n g bot rong Mo trong thuc an, vol 3 lo thi nghiem (TNl, TN2, TN3) bfit rong Mo d u g c dua v i g thuc i n vfii ly |e ISn luot la 4 5 v i 6% Thgi gian thi nghifm, 16 hian. Sg dg Ihi nghiem nhu sau.
Bang 1. So d6 bo tri tht nghiam Chi tieu
S o g a thi nghiem So lan l a p lai T h a i g i a n tlii n o h i ^ m ( t u a n ) G i o n s g a Bot r o n g M o t r o n g TA(%)
D C 90 (30x3)
3
,.
Al C a p 0
T N I 90 (30x3)
3 16 A i C a p
4 T N 2
90 (30x3)
3 16 A i C a p
5 TN3
90 (30x3)
3 16 A i Q p 6 T h u c i n c i a ga thi n g h i f m l i hon „„, hoan cliinli, d a n g vien do t a p doan thuc Sn chan nufii T h i i D u g n g s i n xuai co t h i n h phan hfia hgc va gia h-i d i n h d u d n g d u g c trinh bay tai b a n g 2.
Bang 2. Tlianh phan hoa hpc va gia trj dinh dirong Clia thiic an thi nghiam
DC N.ing iupng tiac IME) (kcal/kel
TNl TN2 TN3"
2 751 2 74S 2.749 2,752 Protein (%)
Lipil tho (%) 17,26 17,25 17,25 17,25 Xu Ihii (%)
3,51 3,54 3,55 3,53 3,26 3,24 3,24 3,25 3,56 3 5 9 3,57 3,58
S2mm -.- -,-.- .... ..^
P h o s p h o t o n g s o (%) o,.58 0,59 0,50 0,59 P h o s p h o h u u d u n g (%) 0,42 0,42 0,43 Q,43 Lysine (%) 0,90 0,92 0,93 0.92 M e t h i o n i n e (%) o,36 0,.36 0,37 0,3S P h u o n g p h i p theg dgi cac chi tieS"
_ -Ty le Iti Irimg. H a n g n g i y dem diinh xac so t r i n g d e ra va so' g i o mfii 16 [hi nghiem.
Ty le d e (%)- so' l i i n g dfi ra trong h i a i (qua) xlOO/so'mai cfi mat binh q u i n trong hian (con) - N a n g sual t r i n g qua cac hia'n de (qua/
mai/hian):
- Lnoiig thilc dn thu nhdn: Can khoi lu^Ing thuc an trufic klii cho an va lugng thiic Sn thua, xac d | n h t h i c an thu n h i n bang cong Luwig thux: an thu nhan - Khfii luvng thiit an cho i n - Khoi luong thuc i n t h i a
- Hieu ijud sir dung tbirc dn.Tron^ giai Aoil, ga d e t r i n g , hieu qua s i d u n g thuc an du(ic danh g i i bang Heu tfi'n t h u c i n d e s a n xual 10 qua t r u n g (TTTA/lO qua trung).
W n h gii c h i i l u g n g t n i n g o hian tuoi thli
KHKT C/idn nud, .sd 213 - l/idng II r
i.;o«j
S«iS
- . . . 30 d i g n mfii 16 30 t r u n g co khoi l u o n g trung
^ omn. khong d a p vd, dj hinh, di d a n g .
^ . . : ™ ' ' T ' « ' " " « (g/qua); v i o n g i y cuoi
^ moi taan thi n g h i e m , can 30 Inhig/lfi, can t u n g . qua m o t b a n g can ky t h u a t cfi dfi chinh x i e ±
^ 0,01 g.
4 , • ^ day vo t n i n g (mm); b i n g trung binh I W g n t f d o day vo (sau khi hoc hei m i n g ) tai 3 --, diem; dau lon, d a i nho v i d u o n g xich dao d u o c I t d o bang p a n m e a i dfi d i i n h xac ±0,01 m m . - , „ . . ' ^''' ' " ' " " X * ' '™« iring: D i n g thufic
;•• di?n t i , 3 d l i n d e xac d i n h d i i e i cao Ifing - trang dac. Dufing kinh Ifing d o ; d u o n g kinh long i a n g d u g c d o b i n g thuoc Pahne co dfi
„ chmh xac 10,01mm. Chi sfi' long dfi l i t,. le
» giua diieu cao (mm) va d u o n g kinh Ifing dfi
^ (mm) va d u so'long i i n g l i ty le giua 2 lan - * e u eao (mm) v i long cua d u o n g kinh Ifin v i
n h o long trang dac.
; - D ™ ! ; ' / H ™ S ' I : D u g c Knh theg cfing Ihuc
^ cua H a u g h ( d i n theg Bii H u u D o i n v i ctv,
; 2011) i e n CO sfi q u a n h e giua khoi l u o n g
• h i m g va chieu cao Ifing i i n g dac.
Hu = 1 0 0 l g ( H - 1 . 7 W - ' + 7.6) - Trong dd. Hu: Dm vl Haug/,. H: Chien cao
• long trang dac (ram) vi W: KJ,o, luong tr,h,g lg) - Mau cua long dfi d u g c d a n h gia b i n g each so theo thang m a u chuan c i a h i n g Roche gom 15 dai mau, d u g c d i n h so t h i h j lu 01 deh 15, t u o n g u n g theo m i u sac tu nhat deh d i m . 2.3. P h i r o n g p h a p xii ly so li^u
Solieu d u g c thu thap i e n bang h n h Excel d u g c xu ly tho'ng ke i e n p h i n mem Mmitab 16, m o hinh thfi'ng ke ANOVA, so sanh cap dfii bang p h e p t h u Tukev.
3. nil mik Ik nio im
la d a t 5% o taan tafii t h i 21, h r o n g d o n g voi cfing b o cua Tran K i n N h a n v i ch- (2010) r i n g ga Ai Cap dat ty le d e 5% fi 146 n g a y taoi.
Bang 3. Ty le de c i a ga thi n g h i e m qua cac tuan tuoi Co)
3 1 . Ty 1? d e
Trong chan nufii g i sinh san, dac biel ga de h i h i g t h u o n g p h i m thi n- le dfi la mfit frong n h u n g chi heu q u a n trgng. i<ei qua theo dfii 16 tuan d e t n m g c i a d i n ga (bang 3) chg tha'y h- le d e cua ga c i c 16 TN vfii cic m i c su dung'bfit rong Mo k h i c nhau i g n g t h i c an cung tain theo q u y luat d i u n g cua giai d o a n dfi i i n g
KNKT Clian nudi sd 213- Ilidng II ndm L
cao o tuan t h i 30, vfii g„ „ „ „ ^ , g „ „ ^ , ^ CO o /„ bgt rong M o dat 72,06%, d u Heu n i y fi ga lo Tjgi la 71,43%. O 16 D C (khfing cfi bgi rong Mo trong H i i c i n ) g i c i n g d a l ty lfi d e d m h cao o tain tafii t h i 30 vfii ly ie 70,79%
Sau khi d a l d m h cao, ta taan t h i 31 i o di th'i ty; le d e cua ga o c i c 16 deu giam d i i . 6 taan kel Uiuc th, nghiem, d i i o n g xu h u o n g g i i m n h u n g van quan s i t thay ty le d e cao n h a i o ga d u g c i n t h i c i n co 5% bfit rgng M o (63,65%) va Hiap nhat la o 16 DC (61,593„).
T i kei qua h e n cho Ihi'v, vdfic s i d u n g bot rong Mo i o n g t h i c an co xu h u o n g l i m tang ty. le d e g d a n ga thi nghiem va o m i c o , . CO hieu qua cao hon so vfii m i c 4% va 6%, Dieu nay cfi y nghia r i l q u a n trgng trong v,ec nghien n i u su d u n g bfit rong Mo trong t h i c an cho g i d e i u n g Oiuong p h i m
DINH D U O N G VA T H U C AN CHAN NU6l
3.2. Nang suat tning (kliong duac sii' dung rong Ma trong thuc an).
Nang suat tning 6 gia cam chiu anh Ga a ba 16 duac su dung rong Mo co nang suit huong ton cua che do dinh duong, vi vay, 'nJrig dat dinli cao o tuan tuoi 30 (cao nha't li de danh gia kha nang su dung rong Mo lam 'o TN2 5,04 qua/mai/tuan; tiep theo la 16 TNl
ihuc an chan nuoi, chting toi tieh hanh tlieo 5,00 trung/mai/tuan; nang sua't trung ciia ga 16doi nang sua't tning cua dan ga thi nghiem. ^C cung dinh cao 6 tuan tuoi nay nhung, chi Ke't qua thu duoc the hien 6 bang 4 cho thay '^^^ 4,96 qua/mai/tuan).
nang sua't tning ciia ga o cac 16 thi nghiem 6 nhiing tuan tiep theo, chi tieu nay giam cung tuan theo quy luat chung: thap 6 nhiing dan va co su chenh lech klia ion giua cac 16,6 tuan de dau, sau do tang dan, dat dinh cao tuan cuoi thi nghiem ghi nhan thay tha'p nhat r6i giam xuong. Trong suot qua trinh theo doi, la 16 DC (4,31 qua/mai/tuan), tie'p deh la 16 chiing toi thay nang suat tning ciia 3 16 dugc TN3 (4,38 qua/mai/tuSn) va vln cao nhat a 16 su dung rong Mo trong thiic an (TNl, TN2, TN2 - 4,46 qua/mai/tuan.
TNS) CO xu huong cao hon so vdi 16 d6i chung
Bang 4. Nang suat Inmg cua ga thi nghiem
N S T (qua/mai/hian) N S T l u y k e (qua/mai) 0.24 ± 0,02 0,23 ± 0,00 0,26 ± 0,02 0,23 ± 0,03
T N 1 T N 2 TN3 0,71 ± 0.Q5 0,72 ± 0,02 0,78 + 0,02 0,77 ± 0,03
2,19 ± 0 , 0 2 2.17 ± 0 , 0 3 2,21 ± 0 . 0 2 2,18 + 0,02 2,82 ± 0,05 2,90 ± 0,03 2,93 ± 0,03 2,90 ± 0,07 3,37 ± 0.07 3.52 ± 0 , 0 5 3,58 ± 0,0; 3,54 + 0,10 9,33 3,57 ± 0,07 3,59 ± 0.02 3,66 ± 0, H 3,62 ± 0, i ] 4.08 ± 0,05 4,19 ± 0,05 4.24 ± 0,12 4,19 + 0,13
12,9 13,13 13,41 13.24 16,98 17,32 17,66 17,43 '^•50*0-07 4,56 + 0,05 4 , 6 1 + 0 , 0 4 4,44 ± 0 . 1 0 21,48 21,88 22^27 2^88 4,73 ± 0,13 4.89 ± 0,04 4.92 ± 0.10 4,87 + 0,12
4,87 + 0,06 4,93 ± 0,03 4,98 + 0,15 4,94 ± 0.0,
26,21 26,77 27,19 26,74 4,96 ± 0 , 0 4 5.00 ± 0 , 0 7 5,04 ± 0 , 1 2 4,97 ± 0 , 1 0 36,04
31,08 31,70 32,17 31,69 4,89 + 0,08 4,97 + 0.06 4,99 + 0,10 4,89 ± 0,17 40,93 7 l ^
36.70 37,21 36,66
4,79 ± 0.04 4,86 ± 0,05 4,87 ± 0,07 4.83 ± O.l? 42,2 41,54
4,76 + 0,05 4,77 + 0,10 4.8( 45.72 46,52 47,07 46,38
4,70 ± 0,03 4,73 + 0,09 4,73 ± 0,09 4,70 + 0,15
4.79 ± 0.13 50,48 51,29 51,87 51,17 4 . 5 3 ± 0 , 1 0 4 , 5 7 ± 0 , 1 0 4,56 + 0,07
55,18 56,02 56,60 4,31 ± 0.10 4,40 ± 0.09 4,46 ± 0,10 4.38 + 0,07
4,53 ± 0 , 0 9 59,71 60,59 61,16 60.40 64,02 64,99 65,61 64,78
T N c t o t t " „ ! n ^ ^ H ' - t ? ' t ' ' ' ' ' " " ' ' ' ' "•*"g™''='i^B*i"ghiemtangdaiocachian TN cho thay qua 16 hian Idiai thac nang sual h,6i theo dung quy lual, khoi lugng trine cua lITaonh- : r « T ' ' " ' " T = ' • " " « " " ''' '° *•• " g w L ' t i n g kha ZnhTrhZl
i I n r t t n T ' ^ ^ f ' • " " " ' ' ' * ' ^ P " ' ' ^ ' '"*•' '' 32.15-32,45 g/qua. 6 iii'n dan ga d,l hi lo DC M,02 qua/ma,. Tu nhing ki=l qua thu ty le de 50% (25 i i i i tool), khfii lugng iuiig dugc rut ra viec su dung rong Mg iong khiu trung binh dal 40,I2-40,78g/qua, kel qui nay phan cua ga de thuong phim co xu hufing eia chung 161 tha'p hon mfit chut so voi cong lam tang san lugng trimg lang cao nhil li lfi bo'ciia Trai Kim Nhin va ctv (2010) la 41 00 g/
bo sung 5% bfit rong Mo. qua. Deh h i i i hifil 30 khfii lugng i i n g ciia gJ 3.3. Khoi luong tning binh quan """S " ' '° * ' "ghiem da dal 41,67.42,35 g/
Qua sfilieu Ihu dugc chg tha'y khfii lugng Siffng M g ' " ' ' ' " '-"' "" " ' * ' "'*' ' ° ^ "^'
e giua cac lo Irong thi nghiem.KHKT Chan nudisd 213 - Ihino II ndm 2016
^^
5!MiDl/ONG:^^4jTOJC^NCH^^ NUOI
Bang 5. Khoi luong t n i n g Ig) b m h q u i n cua cic 16 thi nghiem DC
O h i i i kel t h i c thi nghiem (iii'n luol t h i 36), g i cic lfi d u g c s i d u n g bgt rong Mo i o n g t h i c i n CO khfi'i l u g n g t m n g i u n g binh la 43,12-43,37g, va khfing tha'y s u k h i c biel co y nghia thfi'ng ke so voi ga khong d u g c s u d u n g bfit rong M g i g n g t h i c an (42,98g/qua).
Vfii d i e i kien thi nghiem i e n cimg g i o i g g i hioi d e n h u nhau o c i 4 16 thi nghiem, thi vi#c s i d u n g cac m i c rong Mo khac nhau Irong t h i c an d i khfing anh hufing tfii khfii lugng t r i n g .
3.4. Chat lutmg tnrng
D e ' d a n h gia c h i l lugng Ining, ifih h i n h Bang 6. Mpl so chi i e u chal lugng trung
TNl 14.39+0,43
khao sal h i n g o i i a i iifii t h i 30, li'y ngau nhien 6 mfii lfi 30 i i n g co khfii l u o n g 6 m i c i u n g binh cua gifi'ng, t r i n h n h i n g qua d a p vo, di hinh, dl d a n g i i n g d u g c k h i o sat khong qua 48 gifi ke Ki' khi d e ra.
Trung binh khfii l u o n g long d o c i a lfi T N l la 14,39 g, cao n h i l l i TN2 14,48 g v i thi'p that a lo D C 14,30 g. Ty le Ifing do h i n g cua ga cic lo d u o c an ttiuc i n co c h i a bfit rong Mo d e i cao la 33,34%; 33,37% v i 33,32% v i kliong k h i c biel so vfi, 16 DC (33,28%), kel qua n i y cao hon so VOI ttiong bao cua Trin Kim N h i n v i clv (2010) khi khao sat h i n g g i Ai Cap vol kfit q u i 30,9%
va Bu! H u u Doan (2010) voi !%• le 32,3%
Chi tieu
KHKTCIitln nudi sd 2/3 - l/idng II nam 2016
DINH DUONG VA THUC AN CHAN NV^
Kel qua khao s i t c i n g cho tha'v h i n g ga o ca 4 lfi i o n g thi nghiem deu co c h i l l u g n g tfil va khfing cfi su k h i c biet khi co c l i so Hau- gh rat cao, d a t 87,42-88,12 Hu, vi Iheo Bui H i u D o i n v i ctv (2011), t n i n g co su chfinh lech d u g i 8 d o n vi H a u g h thi khong co s u k h i c biet chal l u g n g
Khi d a n h gia m i u long dfi t r i n g n h a n thi'y, ga d u g c s u d u n g t h i c an cfi c h i a bot rong M o cfi m i u s i c Ifing ,36 lot, khi s i d u n g ian lugt 4, 5 va 6% bot rong M o i o n g t h i c an thi chl lieu n i y ian lugt l i 10,87,11,33 v i 11,17 va cao hgn cfi y nghia (P<0,05) so voi ga lo D C (chl lieu nay chi la 9,47 diem), d i e i nay co the' giai thich rang, d o h i m lugng xanttiophyll h o n g bgt rong M o k h i cao nen da co n h u n g anh hufing h'ch cue. Kel qua n i y c i n g tu'gng dong vfii cong bo cua Silvia \ a clv (2012) khi s i d u n g 4, 6 va 8% rong M o trong thuc an cho g i Leghorn sinh san da l i m l i n g m i u Ifing d o tu 7,13 len 7,48: 7,81 v i 7,97.
Kill s u dtmg 4 va 5%, b6l rgng M o Irong tliiic an khfing l i m Ihay doi d a n g kc' chi lieu d o d i y vo tning, giua c h i n g v i lfi DC khfing cfi su khac bijt CO y nghia thong ke ve chi heu n i y luy nhien neu lang m u c bpi rong M o trong I h i c an len 6% thi da l i m lang d g day vo tu 0,346 m m (IS DC) Ifin 0,350 m m va s u k h i c biet nay li cfi y nghia Ihong ke (P<0,05)
Nhu vay s i d u n g bfit rong M o trong t h i c an cua g i m i i de Ai Cap da anh h u o n g tich cue d e i m i u s i c long d g v i vfii mirc 6% da lam t i n g dfi day vg t r i n g .
3.5.1.ui?ng t h i c an thu n h a n
Trong c h i n nufii nfii chung, c h i n nufii gia cam noi rieng thi vific cung cap thuc an cho gia c i m rat q u a n trong Luong thuc an thu nhan hang n g i y li chi tieu quan i o n g , nfi anh h u o n g den kha nang sinh truong va san x u i l cua val, vi i-i,., c a i lao d i e i kien de d i n v i l nuoi CO the thu nhan thiic an Ifi'i da
Kel qua thu d u g c cho thi'y Ihu n h i n I h i c an cua ga cac 16 Irong thi nghifim tang d i n qua cac hian thi nghifim I'a dat dinh cao kh, d i n g i
o 30 tuan tuoi, sau d o g i i m dan, die'u n i y cho ttia'y n o t u a n theo q u y l u a t chung, khi s i c san xual cua d a n g i lang len, d a l d i n h cao fi hiSn iifii nay.
Bang 7. Lirong t h i c an thu n h a n (g/con/ngay) T N l T N 2 T N 3 20 92,32±2,Q3 94,0S±2,29 94,44+3,47 94.21±2,5r 21 93,90±2,09 96,48±2,39 95,79+2,62 96,27±2.15~
22 97,59+1,90 99,76±0,4S 100,24±1,72 98.81t2!iir 23 100,49+1,44 101,70+1.43 101.62+2.45 100,87+2.16 24 104,95±2,26 105,87+1,39 106,27+3,88 105,95±2'3S 25 105,95+1,43 106,43+0,95 106,90+2.90 1 0 6 , 6 7 a 4 ; 26 110,97+2,51 111,51+2,40 111,98+1,92 lll,03+2!4ir 27 112,06+2,13 112,78+1,53 113,25+2,91 nL9a+2!i5"
2S 116,11+2,62 116,90+2,65 115,79±1,92 116,43±o!s3 29 117,4313,41 117,14±2,34 116,83+2.31 117,22±0.55 30 122,06±2,74 121,98+2,75 121,67+2,18 121.19i?i»' 31 121,75+2,26 121,40+1,72 121,27*2.21 121,35ilS3' 32 120,89+2,01 120,56+1,82 121,03+1,67 1 2 1 , 4 3 . L M "
33 120,95+1,56 119,92+2,62 120,79+1,79 120,I6±0.69 34 117,02±2,31 11727+1.75 117,54+1,98 116.9S+n!77 35 115,7912,25 11595+2.18 115,e7±2,05 11532+I9«
36 112,62+3,12 I t 2 . 9 4 i 2 , 6 2 l l l , 8 3 i 2 , 4 4 l]l,03i2,71 Qua kel qua thu d u g c sau 16 tuan theo dfii, l u o n g t h i c an thu n h a n fi g i cac Ifi khfing cfi sii' k h i c biel d a n g kfi; d i e i nay cho Uiay, viec s i d u n g bfit rong M o trong I h i c an da khong i n h huting den chi lieu nay ke ci khi m i c rong M o d u o c d u a vao den 6%.
De d a n h gia anli hufing cua s i dyng bgt rong M o trong I h i c i n deh hieu qua chuyeii hoa t h i c an. Hen h i n h xac d m h chi heu lien tfin Ihiic i n (TTTA)/10 q u i h i n g . Kel qua o bang 8 cho tha'y, m i c TTTA/10 q u i trimg a hian thi nghiem ttii n h a l va t h i 2, 6 ci 4 Ifi ga trong thi nghiem d e i fi m u c cao v i khong sai khac nhau n h i e i d o l i c n i y d i n g i moi bat d i u d e boi, o i i i ' n thi nghiem t h i 2 chi Heu nay g cac 16 la 8,62-9,35 kg TA/10 qua tning.
Khi ly le d e lang d i i thi hfiu Ifin thiic an/lO qua Irung g,am d a n va fi m i c tha'p nhal o htan t h i 29, sau dfi, ch, lieu nay Iji cfi xu h u o n g l i n g d i i den kel thuc thi nghiem. Dilu nay cung p h u h g p vfii xu hufimg heu tfih thiic an/lO q u i triing ly le nghich vgi ly le de.
Tieu ton t h i c an/10 qua h i n g 6 h i i n thii
KHKT C/idn inidl .so' 213 - l/idiig // nam 2016
S ^ N H ^ y C W G J V ^ J T n j C A N C H A N NUOI
29 t h a p n h a l o lo 7^-2 |a 1,54 k g TA/'IO q u a t n r n g , tiep dfin l i 16 T ^ ' l va T^•3 tieu ton 1,66 kg TA/IO q u a tiling v i cao n h i t o Ifi D C l i 1 69 kg TA/10 q u a i i n g . O h i a n cufii cua T X (hi'in tuo, t h u 36), van q u a sat ttiav XTI h u o n g toong to khi TTTA/lO q u a tiing thi'p n h i l fi ga d u o c an ttiuc a n cfi 5% bot r g n g M o (l,76kg,'I0 q u a tiung), chl tieu n a y o 16 4 % v i 6% r o n g \ I o t u o n g u n g la 1,80 v i 1,78kg v i cao n h a t o lo t h u c a n k h o n g co hot r o n g M o (1,83kg). T n m g bmh Chung giai d o a n 21-36 toan tofii, TTTA/lO qua tiing g g i d u g c an ttiic an cfi bfit r g n g M o
^ , 9 ^ I , 9 4 k g / 1 0 q u a i i n g v i thi'p h o n o g i lfi D C (I,97kg), i o n g dfi voi 16 cfi 5% bfit rong M g i o n g d i i c an CO chi ifiu n i y la thi'p nha't.
B i n g 8. -neu ton t h i c an/10 q u i b i n g qua cic hia'n tool Ikg T.A/10 q u i tiling)
l,7Sd3,07 1,S0±0,117 L 9 4
N h u vay, s u d u n g 5% bfit r o n g Mo tiong thuc a n cfi xu hufing a n h h u o n g i c h c u e dfin hieu q u a c h u y e n hfia t h i c an. l i m giam tifiu ton t h i c i a ' l O q u a i i n g .
«. KET LUAN
Su d u n g bgt r g n g M o trong k h i u p h i n ga d e CO xu h u o n g l i m tang ty lfi de, s u d u n g v m
ty"" le D% d a l cao nha't.
Su d u n g bfit r o n g M o vfii m i c 5% cfi xn h u f i n g l i m g i a m Hfiu tfih ttiic i n / 1 0 q u a tiling.
Su d u n g 5 % bfit r o n g M o i o n g k h a u p h i n ga d e CO t i dfing ti'ch c u e tfii chat l u g n g tiin»
m i u Ifing d g t a n g to 9,47 Ifin 11,33, dfi d i v TO t r i n g l a n g to 0,346 m m len 0,350 m m . Til UEU TMM n u o
-^liio M..A.M.. Simeon t C , Lavosa M.).T, Morttl R-M.M., Pi„eda CJU.B., Lim J.J.IL „ d .Maninga.
M-B B. ,2015). C m d e nicoidan irom Sj,^;^..;,,,, r,-^^ty=h,r, stimulates groiith and immime response o, . \ i m * r j , , i . . a - : w*-;.^•+^, against ^. hite spot s m d n w e n n i s (1\SS\1 Intemabonal loumal of the BioOux Sooet\. Sill: 535-541
Casas-Valdez M , Hentandea-Conlrer.s H , .4.Marin- -itvarea, .Aguila-Kamirez R..V, Hemandea-Goetrero C.J.. Sandiez-Rodnsuez I. and C a t n l l o - D o n u n m e z S. (2tXl6,. El alea marma =a-.-j .r it.,
„.^a uioiuia _j'ja.-,.,r+ isargassaceae): una alleinaa\a trop,eal para la al.mentadon de ganado capnno Retista de Bioiogia Tropicti. 54l 1, S3-92.
C e i m M. (20111. Seaweed protems and anmio a a d . a, mtraceuncals .Ad, ance, m Food i N o m o o n Research, Dennis J. MeHugh CXHi -^ g„,de „ the , e a » ,
y-FAO nSHERlES-reCHMC.AL P.APER 441
| . g u , e n Hih, Dlnl,, Huimh Q „ , „ g .M„g, j . ^ ^ g „ Bnl va -Ngujen Min TiSn rl993l Rong b,i„ Vifl Xam - Phao ph.a Bic \ - \ l i Khoa hoc KJ t h u a t 364 ttang Bui Hih, Doan. . \ g „ , - i „ m . \ t u . . \ g u , I n H m h Son va . \ g u , - a , H u y D , 1 . 2 l l l l , Cic d , ne„ dung ,n,„g nghen cm, d u n nuo, g a oim. .\-\B .Vtag nghiip, H , si,.
8m Hih. Doan .HlOt Danh g,a kha nang san xui, Utmg
™._ p . F , l ^ m X .A, c a p , TC Knoa het K ftui, CMn Hangh E.K. , l « r , . H e Haugh umt , „ „ e a , o n n g e g quahtt Lmted S a t e , Egg P „ „ „ „ Magaz.ne , „ U 3 p.^52--55 1937
Trin Thi L„i„. D i Minh Phmig. .\guv5n Anh Tnin
»a Ngo Dang Nghia lIlKl, Ngucn ,„ t „ „ g i„j„ ^,-, Nam N X B . N N T P H C M . z m
'• Ttan Kim .Nhan. Pham Cong Thieu. V!. Ngoc So„
Hoang \ a n TOu. Diim Cong TuvSn, N > , J n T i l T i n y , a N g n , | „ Th, Hong ,2010,, NJng „„ ... cha, luong 1 ™ S ™ ga la, pOa 1 CN-Gl5 , m A, C i p . Tap ch., Khoa hoc Cong ,nghe C M n „„„,. 2 j 2 ^ 3 j '^
S l h i a Canillo, .A. Bahena. M. Casas, .M.E. Catranco, L C Calvo. t .A,ila and F P e t c - G I I ,2ni2,, l l , e alga -,-•,-->,..- , p p a, altemaU.e to reduce egg cholesle.-ol content Cuban loumal at Agr.culraral Soenee 46,2,-
KHKT a,dn nudi sd 213 - Ilidng II ndm 2016
D I N H D U O N G V A T H U C A N C H A N N U O I
ANH HUONG CUA TY LE CO VOI vA CAY LAC DAI KHO TRONG KHAU PHAN DEN HIEU QUA SU" DUNG THlJc AN, CHUYEN HOA NITO vA DAN XUAT PURINE TRONG NU'OC
TIEU CUA DE
Ngo Thi Thiiy'', Bill Hny Doanh', Ddng Tlidi Hal', Nguyen Vu Hod Binli -od Bin Quang Tuiin' N g i y n h i n bai bao: 29/06/2016 - N g i y nhan bai p h i n bien; 14/07/2016
N g i y bil bao dugc chap n h i n dang. 24/07/2016 TOM T A T
Thi nghiem dugc deh hinh nhim nghien o i u anh huting ciia viec thay Ihe'cfi Voi bing cay Lac Dai kho (AP) o cic miic khac nhau den thu nhan, lieu hoa thuc an, cin bing nito va nong dfi cac dan xuat punne Irong nuoc heu cua de. Tam de due lai (Jumnapari x Saanen) dugc phan nglu nhien vao cac nghiem thiic thi ngiem theo rao hinh 6 vuong Lahn kep va nufii trong cac cui tiao doi chat neng b,et. De duoc cho an to do mfit trong boh nghiem thic. Khai p h a i co so gfim 200 g hot ngo va co Vol, Irong do co Voi dugc thay the bing AP thu hoach l i e 3-4 thing tuo'i o boh mtiv 0 20, 40 va 60 /.. Ket qua cho thay, lugng thu nhan va heu hfia viit cha't kho, chai hih, co, protem thfi tang len o de cho an khau pha'n c6 thay the'AP voi cac ty lfi khic nhau (P<0,05). Tuy n h e n cac chi lieu nay khong sm khac o 16 de an kha'u phan thay the 40 va 60% AP (P>a05). Tang mile thay the AP trong khau phan lam tang lugng nito Ihu nhin va mio hch liiy Nong dg cac d i n xuai purine trong nuoc heu va hieu qua cung ci'p nito cho v, s,nl, vat lang kill tang muc Ihay the'AP (P<0 05) nhung kiiong CO su sai khac vii chi rieu nay o hai 16 de an khai p h a i thay the'40 vi 60% AP (P>0 05)
^it"x"o'ch„°d? " ^ ° ' ^'"'^ * ' ' " *•• " ° " ^ ' * ' " P ' ' " ' * ™ ™"S eao chil lugng thic an Tir klwa: Aiaehis phitoi hut nhdn. lieu boa, ddn xudt purine.
ABSTRACT
Effects of proportions of elephant grass and hay in the diet on feed utilization, nitrogen metabohsm and purine derivatives of growing goats
Ngo Thi Tliuy BUI Huy Doanb. Dang Thai Hal Nguyen Th, Hoa Bmh and Biii Qnang Taan
„r..siP 'i ' ' " P " ' ™ " ' ™»» " ™ ' ' <•"' to mveshgate the mfluence of replacement of elenhant grass IPeinusetitii, , , „ , „ „ „ , „ „ „a, A,„di,s ,,„,to, hay at increasmg levels in the d,eS on feed mtake
i:v:h~«5S~S=—^^
nitrogen balance. The total excretion ol urmarv ° ™ H . T'""^ "" " " " 6 = " '""'''= ' " ' ' supptv mcreased t , i , h m c , e a s C r e v e f o ™ p r : „ , , ? : r 0 5 r N " l ' ? ™ ^ ^ ^
d,ffe,e„ce m these parameters tSltveen g Z p s led 4(^ S ' * 7 ' " « \ * = " - - ™ ' "" » S " i h c " ' su,,5Sesled that elephant grass can be repi™d by « 1 1 , , t ^T'""'"''""'''"''"' " ^ ' " = ' ' " "
of a high hber d,et for g,ow,„g goats. '^ ' ' " > ' " ' " P " ™ ""tntional values Key ,oords Araelns puittn.feed tnlabe. digesiibihly. purine dern.attoes
Khoa Chan nut,, ! ! „ , .fn N.lng nghulp y.e, Nam lac gia de lien l,e lliS Ngt. Th, Thuv Bo mttn H , t .,•
Ttau Qu, Q a I ,,m. Ha N,!, Ima.l ihu, ngo, .el.gma'l cLm ''"' ' * ' " " " " " "'"'"' ' " ' " " « " * " 8 ngh.ep V.^l Nam.
KHKTCIidn nudi so 213 - ll,d„o II uam 2016
