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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：# _# p5 k, g. b! F
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. 5 J! O7 y) U) N5 Y! _3 q9 ~
抗生素和激素是被禁止的。) e6 P, i/ v2 t# F' L% G4 r
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至于疯牛病，这是我找到的一条新闻% T# R8 F* C# C' t
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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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2 N d, T2 Q3 C7 B7 ?/ g' LThe 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./ d; P$ b7 m3 q% M/ n9 u2 u3 B: A% F3 b2 D
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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.
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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., P( _7 N4 T& I5 j0 ~2 }& n) P
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304) X2 s3 L4 ^6 H: E4 ^$ o. J
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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
