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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：" ^! W6 u( _- j: q/ |1 w; {
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. - r! M Y- p$ u, i8 {+ s9 u
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
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' e( w' e/ Q9 K6 S0 WCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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, \) R: @+ c6 V' H0 KThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.& e0 Y' c3 z# q! O$ d4 L
( N. S' i# r* P+ g8 i# BNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.' ~1 t, F1 }3 u, R- N0 |& ]
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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.0 [2 ^' X# c! r/ A% n% d" [
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.# H! s! \6 C, i9 p! C, D7 r0 n
' b' S/ ? C4 G- E/ iSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.. l- W3 [) ?- m! _
* F5 g3 u# U7 w4 H' @6 u- c6 Ghttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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* W- r6 Q7 o$ D6 d) j应该问题不大吧，谢谢！ |
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狗仔卡
发表于 2011-9-15 08:32
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发表于 2011-9-15 09:56
发表于 2011-9-15 11:00
