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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:2 H0 V( }, M5 A9 F
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. ( W5 A6 q9 D& S3 Z
抗生素和激素是被禁止的。( m* z& V/ X/ Q
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至于疯牛病,这是我找到的一条新闻
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8 O$ T+ A$ A& X* b! j! h- B+ FCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.' Y1 } Z% ^+ a# m
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18. l9 R: o( b7 p. X* ~
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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5 A; m4 S2 f8 ]+ bThe 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.! t1 M& V7 S! a
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.! v- A" I- J3 b2 S
; r- U' W$ U: G2 I1 m0 Y% ]http://ca.reuters.com/article/domesticNews/idCATRE7233JT201103046 {3 l# `( Z. |3 x) X" i8 a9 H
/ U1 Z2 G2 L8 M5 |7 F9 Y应该问题不大吧,谢谢! |
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