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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:
. a9 `2 R( ~4 V% S5 ~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. 8 c7 W3 ]0 Y# W; s( b6 v
抗生素和激素是被禁止的。
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! P2 ], J) C K- P* K9 l0 W至于疯牛病,这是我找到的一条新闻
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: J8 b |% `% v5 A. I/ uCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.+ |! h0 l! M, W6 R3 A( |4 ~
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18./ @* X' ?0 j- U5 C
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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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, [' a( ]! n; n# h, CThe 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., t x2 O$ @ S3 I N/ F
; G; \5 S7 a! ^5 {# ]: h! XIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.) U3 w* m; ~% X& o" Q* \/ e. J
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Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.9 {- ~$ s- v7 S9 Z1 k8 k5 E1 z- c2 H
8 i# N4 V8 c$ T" X) c3 uhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
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应该问题不大吧,谢谢! |
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