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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:
4 d! k$ g1 A" cforage (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.
) ?4 ] I8 v7 y. O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; U+ |7 E- T, o/ @- G7 `0 j
0 d$ k% r( ]1 fCALGARY - 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.; x; a" i4 ^& n9 V
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.% n$ X: Z3 H5 L0 Q& K
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The 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.
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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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# L. P9 L& Y" P, u1 DSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.5 d6 M( c) v, f+ }2 D0 }
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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应该问题不大吧,谢谢! |
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