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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：* ~) k+ z4 T) h) U! `+ S. y' c
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.
) A2 n9 B0 ?1 F+ } e7 c- X9 M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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( w/ m) c) m! L8 Y! R. }9 ~CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.4 p1 `1 [6 \8 t3 l8 M2 J
4 Q- q, | ]) Z7 e. s' |& p, H7 ^The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.+ r0 G, L! [4 ^8 S$ P' }
/ f; V( L8 F. UNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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2 A; z# I, D4 W7 R1 D& kThe 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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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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, _4 J6 k. O. D- w" g7 K# _* Fhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304+ v- |, s1 f; Z9 e2 ~
- G. n, \' v; j( w0 z2 ^& o7 B应该问题不大吧，谢谢！ |
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狗仔卡
发表于 2011-9-15 08:32
显身卡
发表于 2011-9-15 09:56
发表于 2011-9-15 11:00
