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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：0 }- @* j# P3 N" f! a% y
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. 9 C# U8 V* m- I; o
抗生素和激素是被禁止的。
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& Y$ V. k. Z6 K) J) e至于疯牛病，这是我找到的一条新闻/ U- |) j- [& A
* s: V0 V; l/ o2 j* d& i) BCALGARY - 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 18.2 _! D( L# [ G. P' s; }
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.2 V1 A: K/ B9 d5 ]0 S" ~
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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.% }$ b( S" K8 E/ ^- x
0 [* e3 }) D$ ^. C: x# z! U6 NIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.1 L+ q4 \) U) u5 b) o! d: L
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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. w6 Y+ U+ a/ F* ]6 c4 shttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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应该问题不大吧，谢谢！ |
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