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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：
% L- ?, Z4 @0 u1 I5 C8 E7 kforage (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. H+ g0 r0 L/ j* Q$ U1 P
抗生素和激素是被禁止的。- q1 _2 Y' w* j" t
6 }% I! Q. G3 i' y5 A, q; l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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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.9 h: t# I7 R1 g2 n
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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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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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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows./ f( r- o7 _' X1 G) o
) r- p0 R# Y: F% U# }0 b3 Ghttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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2 O) d. t, e" m- T2 e4 F应该问题不大吧，谢谢！ |
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