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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:
' e$ R8 V# e* J$ L: ?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.
' U4 F' g, Q: F( z7 g u0 d抗生素和激素是被禁止的。- _. \2 y+ f1 n+ {! m0 i7 ?4 Z
' g+ _+ Q# y0 B0 ~ b3 t! D: }至于疯牛病,这是我找到的一条新闻- Q) A* R4 D. {( f. Y" L
. T5 g; P6 H( h3 | h. VCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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The 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.
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7 Y5 c2 I H5 a, h' ~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.# ?! V g: J' ]- K0 g: K T
# a+ U' ^$ x: O; V: ~Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows., }5 Q4 O6 h8 ]" \7 |7 M
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304; r" u$ d0 G$ G4 @
* T% @3 k6 u1 Z应该问题不大吧,谢谢! |
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