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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:
/ D( z$ i. {( K0 e7 n9 d/ 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. $ n( G1 b7 T; C W' w
抗生素和激素是被禁止的。; O0 G3 V" q0 n ]3 T) D% V; _5 @
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至于疯牛病,这是我找到的一条新闻+ e, H$ z; v$ t5 R
: u1 v/ o1 Y6 c' G2 b0 QCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.- x; W. G; D! B, D3 m1 _8 ~( x
; p% ~+ E7 S0 J' U8 BThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.3 C/ R" S$ M8 c) [5 V$ R
3 D/ O4 S$ s7 [& [' BNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
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! ^& C r% O* w. I9 y' IThe 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.
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. J( F$ g$ k/ p2 ?1 v) ^2 RIn 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.# T0 e n+ b6 E3 X1 S6 z
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT201103041 F( @7 J2 l% C! Z6 o2 k
# K0 x0 `# n* W应该问题不大吧,谢谢! |
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