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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:
8 {& q$ A4 M4 E% ~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.
2 y0 j7 o" B4 _- ?% ?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9 r, a+ p! [0 l2 \, k
8 T" h2 h/ Y3 N3 M! T, n( PCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.( q$ \/ L+ z* i) n* e
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.3 Y- ]; Y9 }* a" t
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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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/ ~5 l/ v+ q) k2 }. W, mThe 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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9 y6 ^1 v' Q) f& UIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.0 N7 R) W1 ~" \8 x
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Since 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& a' [; X# D8 r# H2 r% d3 E
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应该问题不大吧,谢谢! |
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