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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:0 q% D5 Y3 G7 `2 Y5 ~( q$ J( \0 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: W' n# G0 H4 A6 D# W抗生素和激素是被禁止的。
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& C% z v" L1 M% r1 q至于疯牛病,这是我找到的一条新闻* V- C% r3 a# Q0 B0 B2 d# m
; g- W2 o' s6 t5 R: W: tCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
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" g& {6 Y" l/ j$ p" E; |2 qThe 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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4 T1 _! S ?5 p# rThe 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.4 T! D4 [) o1 [. N9 k( c
A0 J" D4 P J r; JSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
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7 C7 `9 H$ j1 f" t+ }http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304/ ] t) ?5 ?! z
8 J5 T$ |7 L# j& m应该问题不大吧,谢谢! |
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