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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:
" J7 _9 B/ e9 R3 n; J5 qforage (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.
! T6 @( U+ d- M Z2 Y抗生素和激素是被禁止的。* |6 K6 S6 A+ _6 r* m' x6 t
3 z; I. J2 f/ ^0 p- V" ^: h至于疯牛病,这是我找到的一条新闻
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+ G+ B% {! @0 q2 @CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.' D2 I4 b5 [1 `/ h u# g, ?
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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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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.+ f& U6 V, w, Y% W2 b3 z
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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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7 A& R3 c: A4 E) k. yIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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2 F7 z1 v9 c- rSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.4 w- y5 |8 d/ @6 q; Q/ N2 s
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304. k" h0 f: K1 n3 w O! [
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应该问题不大吧,谢谢! |
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