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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:' g+ V7 Y$ D3 K: h
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.
2 t& W1 s: F* _* s抗生素和激素是被禁止的。( Q8 F+ o0 O. y0 k0 `! _
U8 d6 _, D; w( {% F* p至于疯牛病,这是我找到的一条新闻% F/ W( I7 s& c8 b
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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.3 [% j4 j: u: b0 g
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.# ^% z/ I, n5 }+ x
, U: K' M% o7 L1 UNo 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. C/ R8 }3 N4 z0 U. G) d" |7 D
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.8 c! o. k& W( ^; ^# z4 e* h
* r s% E3 O8 _3 o: f! F. {Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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; D5 v# {" r" P, vhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304# m" ?; g: K- t5 b" x
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应该问题不大吧,谢谢! |
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