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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 o2 [5 b- R0 X9 Eforage (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.
8 V# V: e0 ~' b+ s- q抗生素和激素是被禁止的。/ |- x1 U7 w$ B" T6 G
, b. `+ H/ b4 r( g$ w至于疯牛病,这是我找到的一条新闻$ |! j! F" ?8 _4 ~* o. G
% t0 F4 e% H; pCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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$ V' w% x/ w2 Q( RThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.+ n- o! n8 I7 p9 M; b+ T
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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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% V/ h5 [# A) j+ C1 |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.0 O! i; ~% _* I8 i" o/ p2 b% y2 U; Q
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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.
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+ S3 r5 X+ F" N7 ` j8 M; ahttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304- E" g3 o+ K6 ~$ u$ v
. x7 a3 B9 o% O3 y* ^+ q8 i( T应该问题不大吧,谢谢! |
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