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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:; n2 K& H( K% d- ]
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. ; T) s7 [* u5 n' v+ c
抗生素和激素是被禁止的。6 n1 E$ i' D* u7 F5 f/ D* `9 [
* N" j0 o" X3 _) n4 M至于疯牛病,这是我找到的一条新闻 m- M' j$ s1 ~6 r$ }! y
( i; J: c8 R9 x4 fCALGARY - 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.
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- U, [" [1 v9 q6 N4 ]No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.: T- a! n2 X- d3 d: S! D; ]1 {
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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.5 R J( v# @" h4 r3 U
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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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