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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:/ T/ m- q+ n- V: 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.
4 L. \( w, [9 d1 b J4 N抗生素和激素是被禁止的。
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至于疯牛病,这是我找到的一条新闻: K4 a" O8 r8 |/ G& j. P# p$ q
8 u s1 D! x4 V5 [; uCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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8 k! T1 T6 x) z+ w' eThe 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.
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, s0 F9 o4 G% o/ v' g L4 o0 HThe 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.1 L! f6 n0 p6 N4 Y
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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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3 C! S8 z' j0 Hhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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0 w7 a: k" q. O应该问题不大吧,谢谢! |
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