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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:
9 W, p5 [) v% [) Q8 pforage (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. + [( ]4 T- k8 x' M6 E
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; q, A+ k% V1 `* Z, a0 Q
, |; s5 u: l7 R. {. n/ pCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.. v/ c/ p6 B& S$ n& t9 @
# E" d2 `/ d" y1 _( Z" T' qThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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2 W3 V6 p; Y/ E' `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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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive., `& f! H9 P# p& S) A* q& K
' G& [0 J) w. _3 K* w" lSince 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) W' L9 Y4 s/ @6 y" N* F& W) R5 F8 b
* q7 g6 S" E( |" `8 \应该问题不大吧,谢谢! |
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