2020-8-28 Institute of Anim. Nutri. 1  B ￥? ? ? ( ￥?? (#5 Determination of mixing homogeneity for formula feed) ? ZE? a¨S? o ?0ê4?èE?J,E a¨?ò? ￥? ? ￥é _? ? o ?0ê4?èE ZEe ? 'EYV o ?0ê4?è￥ èê ·A? o ?0￥ê4?Y? ??? o ?0￥ c [ ? ?￥ o ?0c ￥μs ?Q? ? ￥ ? (  ?a ? Fyé S?[ " 2020-8-28 Institute of Anim. Nutri. 2 ￥? ? ? ( ￥??  (#5 ? J,E ? ZEe ? 'E[J, ? íT1 U6t| D @F4B F ??5?? ? ? ?a[1 ?E??" ??J,c  9 ?Ms" ? $7T1Q? ￥? ? ? ( ￥G 2020-8-28 Institute of Anim. Nutri. 3  = ￥? ? x T ì￥??  GB 5917—86 ?Ve S" ??? | k" 100gb ?? ? ?a￥SI? ? = 7?è? ? ? ? 10min ??a|òa ? ts Y?×9 ? ? ?a =i?s q % = ?a  =it￥×  / k" é  ?100% 2020-8-28 Institute of Anim. Nutri. 4  ?± í í@F4?  ? ( ￥??  GB/T 10649—89 ? e ? ? YV?? ? ?Mc ￥μs ?Q? òFss?￥ ( ? ? YV÷ ???|" ?A?￥M?e1= NMDA ?4 #c+@Q? 3? í￡ ?￥ ??t¨1 ?E??M￥c  2020-8-28 Institute of Anim. Nutri. 5  1 R ì ? x? q?cx q￥?? ? 1. ? ? V U R ìV ?· F ? T￥ ? ? ? ?￥?? ê |éx ü[ vl?é M]￥ R ì ?  R¨ Z0| R ì b X? ,￥?9￥t ? ?a?/Z ? m }[?? ?a ( Pa?/a R ì ?  ? Ta |a ? ?′:19 2020-8-28 Institute of Anim. Nutri. 6 R ì ? x? q?cx q￥?? ? 2. cx q ? R ì ? ? ?cx  NN ?/té ] 9é ￥?s1 cx q￥?? ? | ? ?l Ha￥ R ì  $ X L i ¨?? ?|￥á ? ?s ?Q¨? ? ?s ò| ?/t? 9 ? ?Q ?/t9×]" ?9×￥?s q??s q'1 R ì ? ￥c x q 2020-8-28 Institute of Anim. Nutri. 7 R ì ? x? q?cx q￥?? 3.x? q￥?? ? |??cx q H￥ ? t¨ 1sE |"=z ?z 500 X ?asYb ?x?N￥íQ =??Q? 7í 10sòTa | " ?¨?? ?ì? ?  ? 1sò? | ? /t￥× b9 ?x? q ? x? q % =  A/500 *100 Aía ?/t￥×  X 2020-8-28 Institute of Anim. Nutri. 8 ? z" ?￥??′ 'μ?? 1 ?" ? ?@ 500 X H9 V¨ 250 X" ??íQ?í 5s ò' V ? ???] R ì ? °? ??￥ ? djvl mm) R ì °? 2.5 3.0 3.5 4.0 4.5 5.0 6.0 8.0 ? d j 2.0 2.8 2.8 3.35 4.0 4.0 5.6 6.7 x? q￥?? 2020-8-28 Institute of Anim. Nutri. 9 cx q#x? q ???ì￥?K S  [ "  S??′  s   ?μ 'μ  ???ì￥?K  cx q  ?    ?  x? q  ?    ? 2020-8-28 Institute of Anim. Nutri. 10 R ì ? ￥Fyé ·S ? ? ? °? mm é mm cx q % x? q % ? ? 5.0 ?? ? 8.0 -ì ? 5.0 t  ? 6.0 ???cx q#x? qYè ^ R ì ? ?a ?'? ? R ì?Dìa?-μ? 5￥[ = 2.0 4.0 10.0 2020-8-28 Institute of Anim. Nutri. 11  ??t?aé ? h? q￥8??? (GB/T 17811-1999)??a ?E Determination of digestibility in animal protein feeds—Pepsin method ? S? a¨??t??aé ? ? a¨?±t??aé ?  ? ?  ? ZEe ? ?V?￥ k"¨? ￡￥??a ? ·A??a??? 1?ó/h? 16l HV rs ?? ·???!′a? 2????￥Y?ac b] H?? ba???? ? 3 k"￥Y?ac  ? k4 0.2%￥??a ? ·A