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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:8 U" [' ~. O6 u6 `( Q/ ]3 A6 x4 s
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.
- b" f- C4 h: i. Q2 F抗生素和激素是被禁止的。
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7 K% W* i. v/ v9 C- v至于疯牛病,这是我找到的一条新闻
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CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.8 j) U4 t5 h. A$ N) X3 i1 K: F" A
* K4 p8 C' q f9 E [* c! z% x3 VThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
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, r0 h( S4 T) R, p# \No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.3 w& o; `4 H2 ^5 I0 g9 `9 s7 B; |
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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.& q5 J$ Q& T% S. Q; w; u
L, _5 a: g! ?6 w/ Q e# K8 h2 KSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.+ A# J& S9 X! L! g' Y+ `& M# Z( G
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http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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R6 i# Z c" k) [$ w应该问题不大吧,谢谢! |
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