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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：( U) C6 g1 b+ A
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.
, z: L6 S( w& v# O3 _抗生素和激素是被禁止的。
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. f9 n. U: ~8 M4 W至于疯牛病，这是我找到的一条新闻) f- b4 _) d2 _- r X8 D9 `
1 C/ g% R1 Y0 rCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday." Y5 Y O5 ^2 _$ z3 o. g1 L
+ D1 r3 r0 u4 d. d- u5 [$ m+ rThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.) u9 r @7 {5 C) d
( m" s, J8 u* ^: K; f _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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, Y9 [/ o- m* H- eIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.; M ?- f6 h ]; _$ e6 G
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.- U6 Z2 z0 @/ l$ A5 O/ v- v
5 `: K* k* a) u! W9 N- [http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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应该问题不大吧，谢谢！ |
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