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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:# V6 _+ o# t0 d4 x7 x& U
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.
- v: F9 e" H% h. K. u$ d抗生素和激素是被禁止的。5 b. ^4 V7 Z, _
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至于疯牛病,这是我找到的一条新闻
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( C1 Z. m% Y1 }2 ]) F; X3 UCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.! Y0 a U) P1 t2 B
3 z8 u' j8 u3 dNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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# `4 E' c& C3 q, F" \& VThe 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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. J3 P8 G2 z/ i( ]In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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u/ H" m8 @$ t" o; X: F( A) jSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304% d: V- l* V' y) y* W2 |* {
! t% m. u0 Z( H1 A$ k应该问题不大吧,谢谢! |
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