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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:. f O8 {5 _" g" C4 |: ^
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. ! z! R9 ], N) l; x0 V. }
抗生素和激素是被禁止的。. V) P& a" e4 w4 W, z
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至于疯牛病,这是我找到的一条新闻' |# Q# O+ u: _# K' v: ^
/ Y! |" e! v$ K' E+ ]CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.3 |; D& B: z8 w$ _
% s5 ]# r% O5 L2 ]# zThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.: m# @& M, o8 o' P' `' H
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No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.. |5 C [$ _6 ^ {2 o. w! M9 n
2 ~) y6 M' p8 d8 X2 J+ [3 L- y1 gThe 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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/ K% U4 u3 ^( M# y' d: ZIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.1 E9 n- U: r6 d% n
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304; B' `1 {3 g0 b- O3 S- w
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应该问题不大吧,谢谢! |
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