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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:
a* D# R) ?3 q& Kforage (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.
* q) z6 q3 q1 N1 y+ a+ n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' f' k6 D: b2 a* c1 H. c- u
. H$ N4 f/ d8 M( ]2 |CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.1 }& e% Y4 e+ W& X( I+ o
8 K9 [) i. Z( c9 F, f% YThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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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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% z; q3 A2 R# o1 @0 [ nThe 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.0 Q! p% P. b0 U5 Z! E! c& |7 m, K
) b/ Q+ F5 B' E- ?* j1 QIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.- Q. f9 C/ v! U
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT201103046 i* _3 s8 U) H+ |+ `
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应该问题不大吧,谢谢! |
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