D I N H D U O N G V A T H l f C A N C H A N N U 6 T
nghien oru dJc diem smh san cua giong ga not nucii House Ammonia Levels, Poult. S d , 55 2086 tha \-uOT o cac tinh dong bang -;ong Cuu Long, T^p chi 13. Wang J.P. and Kim I H. (2011), Eftect of capn-lic aad
\ o n g nghiep va Phat tnen nong thon. 3 46~t8 and Yucca sdndiga a extraci on production performai,™
14. Rowland L.O., Pyller J.E. and Bradley J W. (1976|, egg quality, blood characlenstics, and excreta miooflora Yucca ^chidigi-rn Extract Effects on Egg Producbon and m laving hens. Brihsh Poultry Scienc-e. 52: 711-717
A N H H l / d N G C I J A P R O B I O T I C B A C I L L U S D A N G B A O T l / C H I U N H I E T D E N N A N G S U A T , V I K H U A N V A H I N H T H A I VI
T H E B I E U M O D U ' O N G R U O T G A T H I T L O N G M A U Plupn Kim Ddng'*. Nguyiin Dlnh Triuh', Nguyen Hoiing Thinh'.
NgiiySn Till Phnong Giaug' vd Nguyen Bd Tiep' Nga)> nhan bai Mo- 27/08/2016 - Ng.iy nhan bai ph.in biln: 14/09/2016
Ngay bai bao dugc ch.ip nhan dang, 25/09/2016 TOM T A T
Nghien cilii danh gia lac dung cua che ph.ini probiohc Neoavi GroMax chlia Bacihus dane bao hr den kha nang san xual ga th|t, giong Ri Ninh H o a Sau 13 tuSn, I<h6i luong (KL), tiing KL muc an Ihu nhiin (TATN)/ngiiv cua gii duoc bo sung (BS) die pham Neoavi GroMax (ly le 03%i phan CO s o . He so chuyen hoa TA. tiiSu ton TA/kg TKL cua gii duoc BS che pham hoac k h 4 sinh thap hon cria ga nhom DC. Khong c6 su sai l<hac KL vii mol sSchi tieu chiii hrong thn giua cacTs Che pham Neoavi GroMax liim giam s5luong vi khuiin E. eoll vi SahnoneliaVp tronohlhlt Lat't'oZat7 r """ " . ' " " " ^ '"'•"""""'"" ' P '™"f= "'• " ' " 8 Khang smh iL giam sSiuZf.
LatlobttcdhtsBp. trong manh trang ga thi nghiem ChijSu cao vii chieii day long nhung bieu mO ti S " a t X " H*^ " " ^ " " " t "1"''"^"" * = P " ' - - Nghien c i l / d a chiing mfnh d u o C sZsT/ -f-"^ T l , * ' " " ' " * ' ' ' " "•''"S "'•'>' S» 'hi' 'l>"n8 qua He dung cai thi?„ he vi
sinh vat duong rupt va sire khoe bicu mo rupt iiiit?nnevi Tir khoa: Gd tini. ndng sudt. Neoavi Giolviat. Ri Nmh Hda
ABSTRACT
Pbam Knn Dang. Nguyen Dmh Trmh. Nguyen Hoang Viliili.
'^'gay"'Thi Phuong Cang and Nguyen BaTief
periri^N'^r Xd'br»,rb™d" F™rh"d' p-rir'''"'"^ "-^'-^ =p°- -^
d r i c k e n s f e d o n b a » l d i e t s u p X e n ° d w i t ^ ^ e u viG O M L T O I ? - ^^
basal diet supplemented mth Chlotetraclrf „ Neoavi GroMax (0.3% supplement) and diickens led on ( g . v e n b a s . l X t o n l r t B l l h e ^ X S S r f i i r ' ^ " ' " " " ' " ' = ' " * ' " * "
A r kg BW gain Car„ss ch.rctenst cs inH , ^"PPl™ent led to lower FCR and feed weight among group, N e o i " C r o l ^ r s u o ' T e , , " f " ' " P " ' """''"y "'" n°-»i5"'f.cant differSnl s p c^uMs; h^her c a e c a ? C S c Z c r n ' t ' I ' r t "; ° T " " " ™ " • " ' « " ' "• "" ""> ''«"'""=«' L,c,.*„,ii,.,cLnt D u o d e n ' l t d ;rm':^^^^^^^^^^^^
ted on probiotic-supplemented diet, l i e result u o v f d ' a i f , " """ ' " « ' " " " ' " * ' * ' * ' ' ' ^ spores in chicken with posihve effects on intKhL^m P ™ ' ' " * r " « ' « °'h<!at resistance Baallus
, „ ^ " " " ' " " - ' h ™ ' ' " • " o b i o t a and epithelial cells _Keymordsi Neoao, GroMa.. , „ > „ „ „ » . broiler. Ki Nmh Hoa breed ' Khoa Chcir
, , , . - "^ '•'1^" i^orifi nghiep Viei Nam
^ L h ^ m i T H " - "^'XJ^'"' * " * " ^.ing„Bh.,p ViS,Na„ Khoj Ttiu V. Hpc vien Nong nghiep Viyl \ j m
NOi Dicn ihtt^t OT8743t" i ™ , J ^ ; " ' ; i | , " ; 2 , ' 5 „ ' t " °"°'' "" " ' " ^ " ^ " ^ l " ? ? "''> N ™ . Triu Qui Gia Lim. HI
KHKT Chan nuoi .«i 213 - lltano II uam 2016 116 i
1 . B i i T ¥ M l l l
V ^ Trong Chan nuoi, d a c biel la chan nuoi cong nghiep, k h a n g smh d d n g vai h-6 q u a n trong k h o n g cht h-ong p h o n g Iri benh m i 1 con d u o c su d u n g n h i , chat kich IMch sinh (} t m o n g cua viil nuoi. Tii nhiing n a m 50, k h a n g
smh da d n p c su d u n g nhSm kich thich sinh liTiong trong chiin nuoi Ign v i gia cam Tuy nhien, s u d u n g k h o n g d u n g nguven tiic va lam d u n g k h a n g smh da v i d a n g l i m giam lac d u n g p h o n g v i tri benh cda k h a n g sinh, anh hitong den siic khoe cong d 6 n g Ti, t h i n g 1 nam 2006, Uy ban Chau Au d i cSm su d u n g khang sinh n h a m m u c dich kich thich smh Iru-tmg (chi thi 1831/2003/EEC). Trong thap kv qua, nhieu nghiSn a i u lap trung v i o tim kiem cac p h u o n g p h i p thay the sir d u n g khang sinh CUl .g n h u tim kiem cac chai vi,a co kha niing kich thich sinh ftuong an loan, than thien d l : giam nguy co mac benh d u d n g ruot cho vat nuoi va cai thien c h a i l u o n g s a n p h i m chonguin heu d u n g nliu che p h a m probiohc, prebiotic synbtohc, enzymes, axit hSu co v i cic chii phu gia khac da v i d a n g d u o c p h i t ftien (Fluton va ctv, 2002). T i c d u n g tich cue cua probiotic f b " T i " ? """^ " " " " S V kha niing kich thidl tinh them an (N.-Aashon v i ctv, 1994) cai thien thiet lap can b i n g he v, smh vat d u i m g rup (Fuller, 1989), cai tliien chiic niing tifu hoa (Collins va Gibson, 1999). N g o i i ra, probiotic kich tluch he mien dich (Perdigon v i ctv- 1999- Collms v i Gibson, 1999) V, vay, ftong chiin nuoi, dac biel c h i n nuoi cong nghiep, sii d u n g probiotic de cai thien siic khoe d u i m g ruoi q u i do cai thlfn siic khde v i siic san x u i i cua vat nuoi (Blok vi ctv, 2002) Tuy nhien, v i n cdn cd nhimg iranh luan ve tac d u n g cua probiolics.
Mghien cuu cua Maxwell va clv (1983)- H o n e va ctv (2002) cho r i n g bd sung (BS) probiotic chua icctohdclllus sp cd t i e dong tdi d m kha nang tieu hda. Mdl so nghiiin a i u khac Iai cho rang BS probiotic cd chua Uctobdcillus hoac iiacilliis khdng anh h u d n g den kha nang tieu , ° " ™ '•=" "^' "iShiem (TN) (Hale v i Newton, 19/9; Komegay v i Rislev, 1996). N h i i n s kei luan trai ngu-gc n i y cd the do cd su k h i c rfiau ve dac hnh o i a vi smh val ftong che p h i m
dieu kien bao quan. v i each Uiiic su d u n g d i e p h i m probiotics.
O Viet Nam, s u d u n g k h a n g sinh Iron^
thuc an c h i n nudi d a n g n g i y cang d u o c q u i n l . v d , a t c h e . D e n l 5 t i i i n g 7 n a m 2 0 1 6 , s d l u o n g cac loai k h a n g sinh d u o c cho p h e p cd m a t trong t h u c i n chi cdn 15 loai (Bd N N & F T N T 2016) v i se cain h o i n loan v i o n a m 2018 Do do, s u d u n g probiotic n g a y c i n g d u o c cac nha khoa hoc, CO q u a n q u a n ly v i n g u d l c h i n nudi q u a n tam Hien nay, ften tiu t r u d n g cd nhi<?u san p h a m probiotic n h u n g da so sd d u n g bang cach d u a ftuc h e p v i o Ihiic an hoac n u d i uoilg Neoavi GroMax l i mot ftong nhiing san p h a m moi chua b i o hr vi k h u i n cd kha n a n g chiu nhiet n i a cdng ty- BioSpring vdi u u diem CO the su d u n g trdn v i o thiic i n trong cac nlii may san xuat ihiic an cdng nghiep. Nghien cuu nay d u o c thuc hien n h i m d i n h gia a n h h u o n g m a che p h i m Neoav, GroMax doi vdi ga thil, lam co so khuyeh c i o su d u n g cho cac nha san x u i t thtic an v i n g u d i chan nudi.
2. rtl uta VA PHUVNG PHiP NGHIEN COU 2.1. Dia diem va Ihdi gian Ihi n g h i j m
Thi nghiem duoc thuc hien tai Trai Ihuc nghiem, Khoa Chan nudi. Hoc « e n Ndng nghidp Viet .Nam hi thing 9 deh thing 12 nam 2015 2.2, Bd tri thi n g h i e m
ISO g i thit Idng m i u gidng R, Ninh Hda, 2 tuan taoi d u o c su d u n g ftong 3 dot TN, 60 ga/dol d u o c p h i n n g i u nhien tfiinh" 3 n h d m ch Trfc-,''! ' ° " ^ ' ' n h d m ) G i nhdm ddi Chung (DC) dupc nudi bang k h i u p h i n co so o nhom 2 duoc d i o an k h i u p h i n co so cd BS Chlotetacy-chne voi luong 50 m g f t g TA v i n h d m 3 d u o c cho an k h i u phan co so cd BS Neoavi GroMax 0,3%. Tit ca g i tiiudc 3 ba nhdm d u o c phong cau ftung bang Didazuril 0,5% vdi lieu 0.23g/kg o giai doan tiudc 5 hian hidi 2.3. P h u a n g p h a p d i n h gia cac chi tieu
C i c chl tieu n a n g s u i i d u o c d i n h g , i theo Bui H u u Doan va ctv (2011). Khdi l u o n g g i d u a c xac d m h h i n g h i i n b i n g cin d d n j hd loai 5 kg. He so chuyen hda th lie an (HSCHTA) d u o c tinh loan d u a ften l u o n g thuc i n Ihu nhan h a n g ngay (TAT.N).
KHKTCIuh, mmi.Id213 - lliang II „a„, 20/6
DINH DUONG VA THLTC AN CHAN N U ^ 1
Khi ga dirpc 15 tuan tuoi, 4 ga/nhom (2 trong, 2 mai) d u g c m o khao sat d e danh gia kha nang cho thit va mot so chi tieu chat l u o n g cam quan. p H co luon d u p c do o thoi diem 15 p h u t va 24 gio sau gie't m o b a n g may do p H metre Testo 230 (Germany).
Sau gie't mo, mau co dui \'a co luon d u p c lay d e danh gia dp m e m bang thie't bi Warner - Bratzler 2000D. Mau s i c thit d u p c xac dinh biing may Minolta CR-410 va d u p c the hien thong qua tham so L*- (lightness), a*-(redness) and b*- (yellowness).
Cac mau chat chua trong hoi trang, manli trang va phan d u p c la'y de xac dinli mat dp (Logiu CFU/g) cua mot so vi khuan E.coli, Salmonella sp., Clostridium perfringens va Laciobacillus sp. Cac tieu chuan tham chieu tuong ling voi cac vi khuan h e n gom ISO 13349/2001, ISO 6579/2003, ISO 7937/2004 va ISO/Dis 11290/1994.
Tieu ban vi the mau hoi trang va m a n h trang (trong formalin 10%) d u p c lam theo quy trinh chuan. Hinh thai bieu mo ruot tren tieu ban n h u p m HE d u p c quan sat voi kmh hien vi Kniss MBL-2000T (Olympus, Japan) Chieu cao va chieu day long nliung bieu mo rupt d u o c do b5ng phan mem Infinity Analysis.
2.4. P h u a n g p h a p p h a n tich so l i l u Tat ca so li?u TN d u p c phan tidi bSng phan mem thong ke SAS 9.1, Sai khac co y nghia d u p c xac dinh bSng Duncan's Multiple Range Test.
S.KfTOUivATHAoLUAN
3.1. Anh h u d n g che p h a m Neovia GroMax den n a n g suat ga thit
Klia nang san x u i l ga thit the hien qua cic tham sd quan trpng nliu TKL v i TTTA. Cic chi tieu n i y duoc su dung d i n h gii hieu qua chin num. Theo Chambers v i ctv (1984), he so fticmg quan giua KL v i TKL viVi TTTA thudng r i i cao (r - 0,5-0.9), giua sinh tnidng v i CHTA cd su tiiong quan i m (r- -0,2- -0,8). Khdng cd su sai khac thong ke gma cic chi tieu ve TKL TNTA v i HSCHTA giiia hai Id BS k h i n g sinh'vi chi?- pham Neovia GroMax (P>0,05). Tuy n h i e n cic
dii fteu n i y d Id BS k h a n g sinh va che' phain Neovia GroMax d u o c cai thi^n h o n so vdi 16 DC va s u sai khac cd y nghia tliohg ke (P<0,05).
TKL cua Id BS k h i n g sinh va che'pham Neovia GroMax lail lugt la 19,79 va 20,14 g/corviigay, cao hem Id DC, chi dat 19,00 g/con/ngay. Tuy nliien, TTTA a i a DC lai cao h o n so vdi hai Io TN. 3,64 kg so vdi 3,45 v i 3,46 kg.
Bang 1. A n h h u o n g ciia v i | c BS che pham Neovia GroMax den sue san xuat ciia ga thif Chl tieu
K L b a t c l a i i T N ( R ) KL k e i thiic T N (g) TKL (fi/con/nRay) Lirgng TATN liang n g a y (g/con/ngav) t l i A ( k g / k R T K L )
D C 289,9 1619,9'' 19,00 ^ 69,17 3.64'
BS
290,05 ] 675,37-' 19,79- 68,26 3,45''
BS Neovia GroMax 289,2 1699,02'
20,14- 69,71 3,461' Cdc so Irong cimg mpl liang mang cac dm aii klidc iilm Ih: sni khac co y nghia thong ke voi P<0.05 3.2. A n h hiroTig ciia che p h a m Neovia G r o M a x d e n n a n g s u a t va chat Iirgng thit gi
Ket qua khao sat kha nang cho thit va m§t so chi tieu cam quan ve chat lugng thjt cho thay, tat ca cac chi tieu n a n g suat va chat lutyng thit khong c6 s u sai kliac giua cac 16 DC va TN (P>0,5). KL than thit, KL thjt dui va luon 616 BS che p h a m va kliang sinh co xu h u o n g cao hon so vol DC, tuy nhien s v sai khac khong co y nghia thong ke. T u o n g ty, cac chi so lien quan den cam quan nhu p H , cac chi heu mau sac thjt (L*, a* va b*) va do dai ciia thit cung khong c6 s u khac biet co y nghia thong ke (P>0,05).
^ Nghien cuu n a y cho thay KL song, KL giet thjt cua 3 n h o m ga cao h o n so voi mflt so giong ga khac: Ga Ri 6 14 hian hioi co KL song la 1,055 kg, KL giet thit la 0,822 kg, KL than thit la 0,738 kg; ga H ' M o n g co KL song la 1,125 kg, KL gie't thit la 0,817 kg va KL than thit la 0,747 kg (Le Thj Thuy va ctv, 2010); cao h o n KL Iuc 14 tuan tuo'i cua ga Ri va con lai (Ri-Sasso-LP) la 1,240 kg va ga Ri la 1,066 kg (Nguyen Ba M6i va Pham Kim Dang, IQlb), n h u n g t h a p h o n ga L u o n g P h u g n g dlltusn tuoi dat 2,0-2,57 kg/con ( N g u y i n Huy Dat vi
KHKTChan nuoi so 213 - thdng 11 ndm 2016
giNHDUgNGJVATHUC AN CHAN NUOI
ctv, 2001). N-hu vay, cac ke't q u i ve k h i o s i t n a n g suat thil d e u n a m trong gioi h a n cila c i c giong ga o Viet N a m .
Bing 2. Anh h u o n g che p h a m N'eovia GroMax den mol so chi tieu nang sual, chal l u o n g thit Qu tieu
3.3. Ajih h u a n g ciia Neovia G r o M a x d e n m a t dp m g t so VI k h u a n d i r o n g rupt ga
Bang 3. Mpt so vi khuan trong chat chiia hoi trang, manh trang va phan ga (Log,„ CFU/g)
Vl khuan 5^
DC ''=_'"',»''E M^tia GroMax 5.16'±0,83 4,67^+0,66 3.32^+0.47 1,09^.05 1,01'+0,03 0,45>+0.02 1.72+0.58 1,65+0,47 1,53+0,07 5.95"±0.73 6.07^+0 74 7.32^10 58 463+0,09 4.32+0.07 1,4I±0.07 1,02+0.08 1.24+0,07 1,05+0.07
4,15+0,23 0,92+0.06 1,03+0.09 5,42^+0.46 6 30HOJ7 Hoi Irang
Ecoli SalmoneUa C perfringen Laciobacillus Manh Irang Ecoli Salmonella C. perfringenj Laciobacillus Phan
Etoli 5,5610,47 4,76'+0,47 5,31-+0,56 Salmonella 2,28-+0,43 2.02'±0,36 I,45'i0 47 C.pirfringerei 2.a,<,.H 2,41+0,17 2,34^15 ' ^ " ° ' ' ; " " " ^ 6,87+0.67 7.02.O77 7 7,+n.,
Tong so' ri khuan h-ong chat chiia hoi i r a n g chal chiia m a n h h a n g v i irong p h i n cua ba 16 ga TN (bang 3) l i mot trong n h u n g can Cli xac dinh t i c d u n g co loi cua c h e ' p h i m
KHKT Chdn nudisd 213 - Ilidng II nam 2016
Tong so E-coli v i Sdlmonelld s p h o n g chi't chua hoi h-ing cua ga d u o c BS Neovia GroMax thi'p h o n long so £.coli hi cac m a u clii't chiia hoi t r i n g ciia g i d u o c nuoi b i n g khau p h a n co so v i n h o m d u o c BS k h a n g sinh (P<0,05). Ty le giam long so E.coli trong hoi tting d o tac d o n g cua c h e p h a m l i 35,66% so voi D C ( h i o n g l i n o l i ^ i S J . l O ' v i 5,16.10» hieu/g chi't chiia). Voi m i u cha'l d n i a m a n h h i n g khong co s u khac nhau ve so l u o n g E.coli o ci 3 n h o m (P>0,05).
T5ng so E.coli h-ong p h i n g i d u o c BS k h i n g sinh thap h o n so voi hai 16 con Iai. Neoavia GroMax lam g i i m 58,7% so l u o n g Sdlmonelld sp. trong hoi t r i n g v i 36,4% h o n g p h a n so vol DC. Tong so C perfringens h o n g ca 3 Ioai m a u chat chua hoi h i n g m a n h h a n g v i Irong p h i n khong khac nhau 6 c i ba n h o m ga (P>0,05).
So' Iuong Lactohacillus sp. l i n g 2 3 % h o n g dia't chlia hoi t r i n g cua g i d u o c BS Neovia GroMax n h u n g khong Iim thay doi so'luong vi khuan nay h o n g m a n h h a n g v i h o n g p h i n K h i n g sinh khong anh h u o n g deh long so Lactobacillus h o n g h6i h-ing v i h o n g phan so v6i DC, n h u n g lam giam so' Iuong vi k h u i n n i y h o n g m a n h trang (P<0,05). So' Iuong Uctobacllus h o n g m a n g h a n g ga BS khang smh thi'p hon 13,9%
so luong vi k h u i n nay h o n g manh h i n g g i d u o c BS che'pham probiohc. N h u vay, Neoavi GroMax tac d o n g rich cue deh he vi sinh val h o n g hoi h-ing (tang so'luong Lactobacillus sp;
giam so luong E.roli v i Salmonella sp) v i g i i m so luong Salmonella sp. h o n g p h i n . K h i n g smh khong tac d o n g ro ret deh £ coh vi Salmonella sp. h-ong hoi h i n g va m a n h h a n g n h u n g Iim giam so Iuong Salmonella h o n g phan. Tuy nhien, mol dieu can quan tam l i k h i n g sinh lam giam s6 Iupng Lactobacillus - mot vi khuan CO Ioi trong m a n h h i n g .
Chen va clv (2013) cho bie't Bacillus sublilis va nam men Saccharomyces cerevisiae trong Ihiic an CO l i c d u n g I i m tang so I u o n g Laetobdcillus s p va uc ch5 £ coll h o n g ruot n o n v i ru6t g i i Dac biet, probiotic chua L acidophilus I i m lang so Iuong iMclobaallus s p trong manh t r i n g oua ga thil. Nghien ciiu cua Li v i ctv (2014) cho tha'y probiohc chiia L. aniophilns Iim g i i m so Iuong Saccharomyces vi lang Lactobaelllns
DINH DVONC VA THifC A N CHAN NUfll
hong manh tring. Trong quan the vi sinli vit cua ru6t, L ,Ki,it,phii:,~ tao moi truong pH thi'p tu do uc chc'su phit trien cua vi khuin va nim gay benh. Them vio do, L. acidophilus CO kha ning thich nghi \oi moi huong ruot vi kich thich cic Ldctobdcillns trong manh tring cua gi duoc BS L. acidophilus (Jin va clv, 1996).
L. acuiophilns c6 tic dung hch cue vol cin bang vi sinh vat duong ruot (Zhang vi clv, 2004)
Tic dung cua Neoavi GroMax Iim TKL nhumot songhien c-iiu di cong bovoi probiohc chua Bacillus subtilis (Khaksehdi va Ghoordu 2006). Liu va ctv (2007) BS vio kliiu phan co so che'pham chiia Laelohacilliis reuleri cai thien TKL gi thil Mountzouns va clv (2010) chiing minh cac chung Peelioeocciis. Eiiterococens Laetobdcillus va Bifldobaeteiium BS trong Ihuc in, nimc uong cho gi thit Iim giam TTTA. Kit qua nghien cim nai- cho thav Neoavi Cronun CO xu huting tac dung lot, tuong tu nhu nhieu che pham chiia vi sinh vit co Ioi di duoc cic
nghien ciiu truoc dav xie dinh.
Tic dung aia probiohc co the do khi ning dieu hoa mien didi va ho tr<? cac vi sinh val CO Ioi h-ong he vi sinh vat duong rupt, cai thien khi nang bieh d6i thiic an vi ha'p thu cha'l dinli duong cua vat chu (Mountzouris va ctv, 2010; Alkhalf vi ctv, 2010).
3.4. Anh huong ciia che pham Neovij GroMax den hinh thai va kich thuoc 1 nhung bieu mo niem mac rupt ga
Da so long nhung bieu mo ti trang cOa gi dupc BS Neoavi GroMax co pha'n dinh nguyen ven (hinli lc) Rai nhieu long nliung bieu m6 li trang cua gi DC (Iiinli la) va ri duoc BS kliang sinli (liinh lb) co phan dinh khong nguyen ven. Ranli gioi gifta cac long nliung cua ga dupc BS Neoavi GroMax cOng ro hon. Bieu mo khong hang cua gi dupc BS Neoavi GroMax (hinli 2c) ding co trang thai lot hon Clia ga DC (hinh 2a) vi ga dupc B k h i n g s m h ( h i i i l i 2 b ) .
Hinh l a . Ldng n h u n g b Irang 16 DC IHEXIOO)
"™g=s's;siiSsr ^s::^^^^^;is^
H m h 2a Long n h u n g bieu mt k h o n g (rang 16 DC (HEXIOO)
"t';,6"sC41*„°S,™7 «^,V«"S"'.™lil.»™kh6,„
S smn iHtAlOO) [rang lo BS Neoavi GroMax (HEXIOO)KHKT Chdn nuoi so 213 - thdne II ndm 2016
aWlN'i
DINHDU'ONG VA THLfC AN rHA M x n , o ,
ph. I Che p h a m Neovia GroMax I i m lang chieu cao tllll» va day long n h u n g l i I r i n g va khong t r i n g lp so voi 16 D C v i 16 BS k h i n g smh. Tv le t i n g
• K b n ™ ? ™ | '^° '*^ <'W8 cua c h e ' p h a m so v£
„j,_ DC la 30% (1,322 m m 6 16 d u o c BS Neovia
;,l,, Gromax va 1,015 m m o lp DC) v i 20% (0 316 j , j - m m so vol 0,239 m m ) . Chieu cao long n h u n g
t,p. '^''ong f a n g d i n g tang 20% sp vpi DC (0 878 m m so voi 0,731 m m ) K h i n g sinh khong Iam
« " " . " y / " ' > " * " ! " « long n h u n g bieu m o so v o i I o D C .
, - P ' « " tich be m a t bieu mo ruot hrong q u a n
;,,_ thuan vol k h i n a n g bien doi thiic an v i dac biet la kha n a n g ha'p thu dinh d u o n g Be mat bieu m o co dien lich c i n g Ion voi c i c te'bao bieu m o toan ven la yei, l o q u a n Irpng d a m bao kha n a n g CHTA. Nghien ciiu cua nhieu t i c gia deu d i o thi'y kha n a n g CHTA chiu anh huikig o i a chieu cao cac long n h u n g v i h n h t n i n ven cua cac long n h u n g bieu m o ru6t (Erlani v i ctv, 2013). Theo Chichlowski va ctv (2007) probiohc chlia Lactobacilli bifidobaelerium ther- mophilum vi Enlerococcus faecium l i m tang chieu cao long n h u n g kh6ng h i n g o g i ihi"
trpng khi k h i n g shih s a h n o m v a n BS h o n g Ihuc an k h 6 n g co t i e d u n g niv. Chieu cao
; cua long n h u n g con lien q u a n den cic d6c Iff ( A w a d v i ctv, 2006) Nhieu che'pham probiohc va synbiohc c6 tac d u n g lam tang diieu cao long n h u n g bieu m o mem mac niol (Erfani v i ctv, 2013).
Chieu cao va day I6ng n h u n g Ii hai chi so d i m h bieu hien h n h loan ven o i a long n h u n g va quye't d i n h dipn tidi be m a t bieu m o r u p t - yeu tp a n h h u 6 n g deh kha n i n g h i p thu c h i t dinh d u i m g ciia g i . D i y chinh l i mol ti-ong hai CO che lac d p n g chinh Iim g i i m FCR v i tang KL CO the ciia g i d u p c BS c h e ' p h a m N e p i i a GrpMax voi thanh p h a n vi k h u i n Bacillus d a n g bao tii.
Che p h a m .Neovia GroMax chiia b i o hi Bacillus chiu nhiet c6 hic d u n g cai thien khoi l u p n g CO the, TKL, TTT.AAg TKL v i HSCHTA o ga thit long m a u giong Ri .Ninh Hoa.
BS .Neoavi Gro.Max lam giam so l u o n g vi k h u a n £.co;/ va Sdlmouella sp.; tang s6' Iuong Lactobacillus sp. Tft d o anh h u 6 n g d e h h e i i sinh vat d u d n g rupl, giam lpng s6' ri k h u i n gay benh va kich thich vi k h u a n c6 Ipi phal tnen, cai thien kha n i n g Heu h6a Irong rupL
.Neoavi Gro.Max d a m bao h'nh t o i n ven cua long n h u n g bieu m o rupt, tang chifu cao va chieu d i y long n h u n g h , d 6 c6 the I i m lang hieu qua h i p thu thiic an v i giam n g u v CO nhiem benh d o vi k h u i n x i m n h i p qua mem m a c rupt.
T/tlU(VINUi||lU«
Alkhalf •,.. A m . , M. and .Al-homidan L (2010, M n e n c e of p,ob,„lIc snpplemenunon on blood paramelers and growth performance in broiler chickens Saudr | Biol S o . . 17 219-223 A w . d W.A.. Bohn, J., R a i z a i - F a z . l , E., Chareeb K.
and Zenlek | . l20C*l Effecl of addibon of a probiobc microorganism lo broiler diets conlaminaled isilb deovmivalenol on perfonnance and hislological ailerabons of mtesboal ,iLi of broiler ehickere, P „ „ | , Sa., 85 974-979
Blok M . C , H.A. Vahl. L de Lange, A E van d , Br.ak, G. H e m k e and M. Hessing ,2002j \ - | „ n i , „ „ and heallh ot the gastrointe^hnai tTs.+ u
n°="oijii(f;nnal tract. Uagenin^en
Academic: 45-49 ^ B6 mui nghiep & Phal Uiiu nbng thon ,2016, ThOng
n , s 6 06,'2016-|T-B\-\-FrNT„ga, 31 tbang 5 nSm 2016
^e Mec ham loong kba.ng smh dnoc phep so d u n e oong .hoc i n d i a n neOi g i . „e. gta cim. nham „ „ c Jich kich thich iwh tmcmg
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KHKT Chdn nuoi so 213 - thdng II,
DINH DU'ONG VA THtfC AN C H A N N U 6 I
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lu Bill Hiiu Doan, Nguyen Thi Mai, Nguyen Thanh Srni va Nguyen Huy Dat (2(111). Cac chi tieu dung trong nghien cmi chan nuoi gia cam. NXB Nong nghiC'p Ha Npi
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