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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:# d) U% J% ?6 Y6 c. I9 W/ ]
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.
+ l) j9 r* o0 s1 h3 q& q6 B2 o8 \抗生素和激素是被禁止的。
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% u9 y: o; u; \. T+ S Y) d- T至于疯牛病,这是我找到的一条新闻; K C, l! ^2 X( }: w
6 @' X) N" J) _! B0 [CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday. ]* {3 v d2 H/ O+ j: z+ J/ y s+ Z
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The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.+ Z/ R. k. W& f6 E; i' m
9 ~" w/ [5 m+ R# f4 v- s! aNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.3 D. {1 g5 l# T) u: g
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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.. c0 q" `3 l6 I8 w0 d+ n/ }
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In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.( ?! m0 a& r; j: g1 k, [+ R% Z: L
. b! i' I) Z- t: T6 S( a5 TSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.0 h1 T P. f- z; N0 M$ N% C
4 ^8 E1 \9 n0 R; ~+ ^& _- \' C& m5 Ahttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304" v3 A$ z" V' |2 B% M( o
( Q3 y8 |) \. m( i& P `应该问题不大吧,谢谢! |
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