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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:
8 j3 \4 e" D% a+ 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.
; s! G) p* s4 ?! L, t4 Q9 ]0 j+ O8 K抗生素和激素是被禁止的。
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至于疯牛病,这是我找到的一条新闻: |8 {* j9 J( A, p3 N! e1 a
1 H7 t4 V1 T$ i' j8 v2 t0 x* r, zCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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& l5 M# _! N. U; T) ~7 UNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.4 P! O$ t- D! [2 \* I
; E! H' J4 _2 t1 L% CThe 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.5 x- `5 x2 }+ V, f0 C- W$ X& n
* j$ [+ x( l9 S" I# U7 ~' GIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.) i7 Z0 B0 `" n3 a4 k _! s" @
8 f% b( p( \8 b7 J5 ]( C" BSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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) J: F. A7 u% o: E$ j* R; qhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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6 C2 k! B* Q; k' e; l7 Q- P应该问题不大吧,谢谢! |
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