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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: ~ j2 m4 }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.
+ X( ?+ w" F0 ]抗生素和激素是被禁止的。# p& f* |+ j( E, s
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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.
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.* e$ K7 U5 ~- Q# P7 u
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.9 Y0 x) g2 a& m2 M2 C
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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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- Y! ?2 u$ x0 N u2 U+ G) u' XIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.' \' J% C- ]/ A! c6 v6 M
3 N. k: A2 c7 ~3 D! vSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.5 f; D) k+ K! ?
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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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