 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：4 c2 t3 `" z. i) K+ \- _
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. ) x/ o9 m: [( Z5 N- V
抗生素和激素是被禁止的。8 H: K, X9 N& Z" @5 z0 T
& v* l8 w1 P3 S! t- p5 G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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' ]7 E6 _) c% |& xThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.4 s$ v! p) j4 ~# y
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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0 r' f3 ^6 s; W* F. X+ Q# GThe 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./ n& j! h! M) {* S; d/ E3 u- d
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive./ n7 d& K4 n3 }+ V
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.& y$ Q- @4 \: f! R# G3 k) t
) J( Y! |) b# i7 j. f$ zhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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9 G: ^1 Z- H' d; i1 h$ E( V+ i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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