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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: c+ w) i- I$ o7 o4 |forage (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.
, r. {) R. ?8 B0 ]4 J抗生素和激素是被禁止的。% N. |9 _9 @0 f! X' ^
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至于疯牛病，这是我找到的一条新闻
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! `$ {! q% F BCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.$ L8 p! S6 R, N6 R8 L; X( O a5 j
5 b) h9 J5 h& Y) jThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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$ t" \9 \9 D! A$ h7 H* kNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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1 O* ^; Y, ]. A% o0 O7 pThe 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 B" o" K& N/ N+ v
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.8 Y; R4 g2 p5 w. @ j7 c! n
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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2 b/ ?/ N/ s6 Q: G6 Ihttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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- l0 f( R2 t) r* W! N7 A应该问题不大吧，谢谢！ |
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