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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:6 y: ^: b" i- c6 @, q' I
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.
' O7 E* f4 h7 X" H. n- r抗生素和激素是被禁止的。
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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.5 I- Y) R9 v% H: J
3 a$ p% m; D% z' c, ~8 }The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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! o; j5 T7 z$ H( N2 k& t. D9 a$ aNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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1 q: p' f H. pThe 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.1 W( y2 b& z8 D6 o# R
0 ^8 |8 B1 e' ?) F3 h ]In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.9 |$ |3 z4 \5 y) i6 C
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows." L; x9 M; D# O
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304& t7 |1 G$ `) o" O' ?
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应该问题不大吧,谢谢! |
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