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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：
/ O9 ]% \0 d7 I* U1 { Bforage (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 f% x/ y# `$ h* Z0 m2 m3 x& r
抗生素和激素是被禁止的。
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8 j {, A0 V& F/ Q2 m7 H/ O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.9 L2 X8 o Z9 K1 Q# u
6 }8 z& c2 a; n) w; F" T/ u" JThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said./ S: r& ]* n, k8 k- G; t& Q3 [
1 A- i* }' E6 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.
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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.9 T l+ ]* \6 F: f5 q5 Q
' ]8 s c+ _7 a& n) h9 Dhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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/ f! e' `4 f5 I) H+ ?应该问题不大吧，谢谢！ |
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狗仔卡
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
