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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：7 w9 H+ b. f0 w 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. ( z' T, F9 q3 S5 B0 o
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$ y' ]8 \* b) S: M
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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday. N: K; P5 w7 g1 v7 K$ s7 w
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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3 G$ b; z$ M2 z0 BNo 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.( b, J) i# H; o: w& g, ?$ H# N
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive." e2 V X3 e* u. g
+ R/ n% {" u: H1 D, [2 VSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.$ z$ D4 m) u' y- y/ ~" C' z5 P
* }. b4 l1 S; t# D; C3 khttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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w8 n2 \! _8 u9 H4 r( ] j应该问题不大吧，谢谢！ |
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发表于 2011-9-15 08:32
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