 鲜花( 2)  鸡蛋( 0)
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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：
I' G. L r( E j$ n% |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. 5 a/ ~1 L9 o. w) R
抗生素和激素是被禁止的。4 ]! x9 U; u, }
8 C5 N6 k. b+ F9 f( ?( w) c至于疯牛病，这是我找到的一条新闻
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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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G: v( ^# ^, j6 \4 kThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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c' p( o, K, A9 o. Z7 cNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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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." V! \2 t4 F& c: F
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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; ^* m$ V* b# O. l: kSince 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/ M* d @$ R9 X% l$ {
4 Y9 |6 S {- {8 p4 @) W. r7 ]应该问题不大吧，谢谢！ |
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发表于 2011-9-15 08:32
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发表于 2011-9-15 09:56
发表于 2011-9-15 11:00
