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发表于 2011-9-15 11:21
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鲁仁毅同学确实很专业,是有些farmers在饲料中添加玉米,可能会有些新品种。但是Organic是用传统玉米的。这个是饲料的组成:
; T# I- z# o2 d; |1 p+ kforage (hay), grains, minerals, vitamins (the grains, minerals, vitamins all are mixed together into what is called a total mixed ration or TMR) ,a balanced diet optimized for protein, minerals and vitamins.
3 @* u4 f, Y. _& e/ d+ i2 I& G& h8 t抗生素和激素是被禁止的。
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+ u9 k, B' O5 W. ?; h0 P7 X1 X* F* U至于疯牛病,这是我找到的一条新闻& V& [/ K: }* S: o5 p5 f: L
. Q; a4 z5 Y( D7 C6 {4 cCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.( [# {9 {3 H$ g. Z0 C, p6 N* k
( R& y$ }+ G" D \( }: ]& iThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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; ^1 r$ }8 r# q/ r& L* jNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.4 B* y' k: d/ q+ N/ C' ~
! h+ R: m' [, L1 wThe federal agency said it doesn't expect this case to impact exports of Canadian cattle or beef, as the detection of a small numbers of mad-cow disease is expected every year.9 d0 L3 ^) V4 N: `
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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1 |. C5 H, @: L3 U/ h( V# `Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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T7 I' I8 I. k" g, s0 ?( uhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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/ u/ @3 e: m9 t3 Y. F应该问题不大吧,谢谢! |
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