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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:1 v5 k) d( \! I. J+ Z6 Z! X
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.
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+ I8 F6 V$ [2 M6 a: ^7 _4 G8 ]* Q至于疯牛病,这是我找到的一条新闻: S6 X/ L4 P1 o
2 P" Q0 r! e. l+ x" PCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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4 l3 p2 f0 g1 o% q0 D5 z% DThe 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.3 k- x( u( o! ?$ d' f4 a( W
6 j* q8 t& z& v! f9 Z Z# LThe 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.6 @& o: v5 V8 u; \: z e8 w& | d
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.# B3 @8 ^4 ^! P0 \# B
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.% { a% e# R T- C, V, D3 @
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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+ o9 U$ a8 i8 ?6 g应该问题不大吧,谢谢! |
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