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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：
- r! H8 _! P# P3 j# p8 C) F/ Nforage (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 c% V* v# K
抗生素和激素是被禁止的。" ^) S' a9 \: ^- U. ]. e9 K
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至于疯牛病，这是我找到的一条新闻3 M7 S5 V2 W1 d; G- W+ P/ [) d
4 g3 a B) f, p NCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday./ G; W5 g: u1 _/ m; u$ a
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.% r2 ^2 R* b9 {# E+ A
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.$ c' ?- Z$ F8 Q0 v4 Y. z; e7 M. o
1 Q/ d s# T Z4 V% h6 e4 p) HThe 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 O& L1 e( w4 e* I* T/ qIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.$ i( X- T& O+ z L, R) G4 Q {
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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
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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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