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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: L v' S; `' s" G
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.
+ R% H5 u. J2 }0 l* N6 D% N抗生素和激素是被禁止的。1 m, H; ?; z* q& o$ }4 o* M
6 w: D; d- N/ e6 O至于疯牛病,这是我找到的一条新闻8 H o8 s% A; W7 L4 a1 X/ g
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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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% f% O. I$ _ S+ B4 b/ c, sThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.* D( ~/ D r" e( p% a! C
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.0 a0 M' H4 g6 J# x3 k
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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.0 g, _/ u' @# {% }$ Q! y% }
O4 G0 f# `/ z8 k! mSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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j2 O) n( a, A% @% H4 I* c; @http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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应该问题不大吧,谢谢! |
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