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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:
' q1 G5 c- L1 B+ ^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. / h- q% G( s' o" l
抗生素和激素是被禁止的。9 \6 D5 b: l, e( f: K, N- p$ u
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至于疯牛病,这是我找到的一条新闻: U7 l( N( A0 Q3 R. u
8 | @" s0 ?7 A" d% F1 H/ t2 q9 ~CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.0 o s6 e, K; r& q3 ~; T7 e
% G8 J! c% K1 H& S9 V7 oThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.% a* }! B" [! a1 d" i, d3 O
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said." y% k, \* q v
2 d: B: N6 `# n+ u) {2 a4 x) _The 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.* d6 V9 c/ t8 a i
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In 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.5 d5 B- D7 H4 Y8 v2 Z9 ^& X3 f
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304' V- v3 s5 t* n1 s; v3 K+ c) p% _
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应该问题不大吧,谢谢! |
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