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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:# k! O, J+ g: K0 w% r! m
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.
/ F; o T- t n% R: w7 |抗生素和激素是被禁止的。8 e/ Q5 K* n+ E$ K% T& S R
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至于疯牛病,这是我找到的一条新闻6 F& `* W2 I* G- ]" s
" x% D: M( G* N( rCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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! U' `% o, C, c/ o& E" Y: hThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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' a% S: j* c: |. R/ vNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.' F6 ~! X+ }4 i" Z( I$ W% n) |
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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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/ ?1 }) h2 r( x" K; xhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304+ h8 H, B' ~+ p- M5 k1 j0 \
7 d. D/ M5 d# k' d8 v5 k! i应该问题不大吧,谢谢! |
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