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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:
T' F4 D7 g5 Z5 x& m, b# Q' C nforage (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.
) b. v" P- u7 L$ F g6 x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0 e/ q& S) k; ]0 u7 W3 E8 L
0 D$ _2 Z0 _5 C% g s0 v. S, e/ LCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.! q9 C8 s- ~7 y- o, B
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.! k7 y! q" l( T/ Y
$ W* ?3 [+ O' e4 r- ?No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.. W! {3 I. n" D C( I8 w
" g5 j' l) F( pThe 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.) G2 _, e6 g; x. a$ b" f6 p( D, b
4 ~9 |9 Q+ s' U g2 M; I4 W/ } eIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.& D/ ?/ h4 u# d9 ^2 X6 X3 w. \" ^
0 U5 \0 `7 r) ~2 e6 K7 @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/idCATRE7233JT201103042 b9 ^7 V) j& e/ }. B
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应该问题不大吧,谢谢! |
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