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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：- D7 B) Q6 ? W1 O" \7 [, m
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.
: n9 c6 o( w5 [/ g抗生素和激素是被禁止的。& i& ^/ K7 ]4 u- u" f/ b1 c4 M- P5 F
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至于疯牛病，这是我找到的一条新闻 @5 x! f# ~% K. e
. k4 j y0 ?; U RCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.9 u1 u3 g" T5 }
# v. Q2 @. ? y% T1 PThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18." z. x/ i" N, a, H9 s+ L9 B
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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, G) U* j. G2 BThe 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.7 P0 x0 P+ }/ S
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.1 J+ W* u' @1 u: |
0 }* p: ]5 k* K% [, Q- b' n# s6 FSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.; X7 ^: P ?' E, z5 C3 E& w
2 v0 k, L. ^8 _# Q* A4 hhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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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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