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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:% E! M* |8 N( N
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. ; U# S/ e7 x/ t4 r$ `( Q
抗生素和激素是被禁止的。
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; ^: k1 p0 i4 u' k3 G( l: z: f1 e! A至于疯牛病,这是我找到的一条新闻7 x8 h9 I( @- }# O' D" I+ f: d7 `
' |2 v! _8 d- G" G: QCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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; D$ Q s/ X# Q' bThe 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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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.
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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: S% |6 |9 G3 M7 d" Khttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304. @1 _( ^2 a% s5 t, @# b
/ ~+ B; J7 e' Y6 d7 B: L# v$ R4 g Y应该问题不大吧,谢谢! |
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