Nghiên cứu xác định mức protein thích hợp trên cơ sở cân bằng một số axit amin trong thức ăn cho lợn ngoại nuôi thịt

Nghiên cứu xác định mức protein thích hợp trên cơ sở cân bằng một số axit amin trong thức ăn cho lợn ngoại nuôi thịt

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WӟL WLrX KyD OӧQ $KHUXH ) .R]RU - .KRFULQ61  'үQ WKHR 7UҫQ&ӯ>@ 6͹FKX\͋QKyDSURWHLQYjD[LWDPLQWURQJF˯WK͋OͫQ 6DXNKLKҩSWKXTXDWKjQKUXӝWYjRPiXSURWHLQKD\WKӵFFKҩWOjFiFD[LWDPLQ VӁÿѭӧFYұQFKX\ӇQÿӃQJDQYjFiFWәFKӭFP{EjRÿӇÿiSӭQJFKRFiFTXiWUuQKVLQK WәQJKӧSSURWHLQWURQJP{EjR6ӵFKX\ӇQKyDSURWHLQWURQJFѫWKӇJӗPTXiWUuQK ÿӗQJKyDYjGӏKyDHai quá tUuQKQj\OX{QFkQEҵQJQKDXOjPFKRWKjQKSKҫQKyD [...]... tryptophan 71], Brudevoid và Southern (1994)[63 khác l 08 1994a [60 17 protei - amin k - - 6 - - axit amin và L- a 18 - ( axit 100%, methionine 30%, Met+Cystine 60%, threonine 65% và tryptophan 18% Bikker và cs (1994a)[60] ra nhu 6,5 - 7,5g lysine/100g protein lysine cho giai sinh 19 - - sell và cs (1987)[115 amin không - - : 2000)[9 cân 20 - Thomas và Mitchel [9 GP (%) = N tiêu hóa x 100 - 2 03 ) ) ( 21 c... Vai à lipit và gluxi 1, B3 và B6 12 nhóm NH2 axit 3 xetonic NH3 CO2 + H2 2 2 6 + vitamin B6 , - n 13 4]) in B1, thiamin, biotin (B4) -S-S- -2 4 , SO3-2 14 2S, SO2 -2 3 2+ ) 15 threonie, tryptophan, phenylalanine, arginine, leucine, izoleucin, valine và histidin 1992)[70 k 2001 [52]) -110kg có tryptophan 0,08% 16 NRC (1998)[108 -50kg là 3265kcal/kg ME, 18% protein thô, 83g lysine, 22g methionine, 52g... Histidine: 33 70 Phenylalanine+Tyrosine: 100 Valine: 19 , Protein lý các axit ami 23 Kim và cs (1983)[92;93], Kirchgessner và cs (1985)[132], Izquierdo và cs (1988) [88], Schutte và cs (1988)[116], Friesen và cs (1994)[74], Fuller (1991)[77], Loughmiller và cs (1998) [103], Fuller (1994)[78], Lee và cs (1998) [99], Guzik và cs (2002)[83] á cao trong - 24 -lysine HCl, Lthreonine và L- - à - - 19 0], 2... Fuller (1989)[77] là lysine /protein thô 7%; tryptophan/lysine 18%; Met + Cys/lysine 63%; Threonine/lysine 65% và 6 3 3 2, 3 3 3 - 3 khi NO, N2O, NO2 35 3 là 100 ppm thì Theo ARC (1981) [56 threonine, 10g tryptophan, 49g valine, 34g phenylalanine+tyrosine, 23g histine, 38g isoleusine, 70g leucine/ kg protein và T.K Chung và Baker (1992a)[69 -86-70-22-86-125-25-78-114g leucine /kg protein 13,5% ( ) Kerr (1995)[92... Henry và Dourmad (1992)[88 2, / 2 ) Murhn và Susenbeth (1995)[108 Misselbrook và cs (1998)[107 2O Atakora và cs (2003)[58 2 và CH4 Le và cs (2005) [103 n t o ra các h p ch t protein trong kh u ph n là ngu n ti n ch t ng tiêu hóa và trong phân l n 76 tiên có 1,2 g L- SCA, 1987[118], William, I.H (1980)[127 ... lysine/ 3400, 3200, 3000 Kc cal ME/kg, 19% protein, 1,26% lysine, 0,75% methionine+cystine, 0,81% threonine and 0,22% - : 1995)[13 mì cao (4,07g/16 g - 28 3 17-16-15/15-14- 20-50 kg và 50- - - 77,54% - - 86,03% - - Thông (2006)[49 4,58% - 30,02% 0 29 - Nguyen Thi Loc và cs (2001)[109 -methionine 1 nhau 0,1; 0,2 và 0,3 % DL- - (2003)[14 (Yorkshire x cal/ME/kg, 22% protein, 1,5% lysine, 0,84% methionie+cystine,... cs (2001)[109 -methionine 1 nhau 0,1; 0,2 và 0,3 % DL- - (2003)[14 (Yorkshire x cal/ME/kg, 22% protein, 1,5% lysine, 0,84% methionie+cystine, 0,92% threonine và 0,26% tryptophan (28-42 Kcal/ME/kg, 20% protein, 1,35% lysine, 0,74% methionie+cystine, 0,82% threonine và 0,24% tryptophan (42- 5 t acetic acid + propinoic acid + butyric acid + iso-butyric acid + iso-pentanoic acid) carbon disulphide, ethanethiol, . 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