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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:
% w/ t' ~, R# t. B5 Aforage (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.
# E% `, e( O, G+ z t8 s9 s% X" z" ~抗生素和激素是被禁止的。1 d8 Z+ Q6 p- z o) t
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至于疯牛病,这是我找到的一条新闻
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CALGARY - 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.( O) s- L* m( {; Y+ m
* h4 M$ o. m2 @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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7 m0 ?- w4 i0 a& YIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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' V+ [0 ^& `' L: T3 `1 e$ TSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows., O; b. T8 a! e$ i" G
& l" o& _. Y. O& i* J8 D+ ghttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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& |( d8 R8 X- l' `应该问题不大吧,谢谢! |
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