 鲜花( 2)  鸡蛋( 0)
|

楼主 |
发表于 2011-9-15 11:21
|
显示全部楼层
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:- e: |6 i6 |* N& S) J
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. : Q1 \7 N' b! r! W) Q; H
抗生素和激素是被禁止的。
/ O+ J) b* Z& m3 g+ Z
" ~$ t2 i0 g L9 k) G% r* u8 S* y. `至于疯牛病,这是我找到的一条新闻
0 G. @1 B" z1 |* S1 u3 c4 ^: m2 D( X
CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
2 M" s7 x1 ^3 J1 f7 z' F2 x2 O0 {+ o# D5 O6 x+ w
The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
q# X2 P6 Z1 K. h6 S( }# g, ^! f9 b$ A
No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.( z* ^% O, m: k8 Z: q. a6 Z, y7 N
# Z5 q A' A+ E" S8 d6 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.
& h. W; p7 ~! j2 `
% a# f3 ?7 ?& QIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
# b: L0 L5 V' y, ~' i; D
4 q" V1 a: o1 z2 w, ^7 \Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
3 U* O% A. d; {) r; f J5 }* m, u
' U# b# c& y/ U) G* K! shttp://ca.reuters.com/article/domesticNews/idCATRE7233JT201103044 }, s0 I0 O$ h5 E. O/ \8 J
; p; l$ @6 G" @' W1 K# f. a' C( L应该问题不大吧,谢谢! |
|