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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:
. k9 D& v4 e E$ ^3 R3 ^5 Sforage (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. 4 {* f* j C! L
抗生素和激素是被禁止的。0 ^: u C" P! |
; z# X) y# v6 n0 U3 j至于疯牛病,这是我找到的一条新闻+ ]( u' J. I* [* I% \
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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.6 q" N+ J; @6 M' G- E" l3 \
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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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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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/ Z* H- A* Z" X- I) h& T0 |& dThe 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 ~; l* Z; E& f2 a/ Q; H c; }, e
$ P( P% h1 ^4 k& B$ G2 l; eIn 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.# C$ O# G3 v4 R9 X
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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应该问题不大吧,谢谢! |
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