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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:2 L7 E; H3 V* G: Z" V- w
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; w# r+ z' Y6 L" i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
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! F( }. U2 ?. f" [2 nCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday." |) D2 O2 s& r' Y8 S
6 \2 X9 h) f( D7 lThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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, F; c2 T8 p7 a' M7 |" d2 {No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.1 M9 ?. g/ B) e
1 u6 ~& g% D( W1 KThe 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.3 ~, \& w. X8 e5 ~3 n9 e
* X' Q+ U5 E: FIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304% O* u& e: l |0 @5 Y
3 _: J9 i8 H( z应该问题不大吧,谢谢! |
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