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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：
7 ~' E2 b4 X" g. c6 \" P. Gforage (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.
3 h6 d+ l0 V* c r5 ?7 T9 m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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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday." h4 J0 h$ y7 r6 }4 `! c) w/ `
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18./ }' ^) s5 T0 D' G+ E7 q
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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.+ }& a) u7 T3 G- O
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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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" k. [% p" { Y) Z' G0 w/ S8 o' ZSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.2 s+ z) i+ h8 @
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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i( _" ?# F8 l( g; Y9 v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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