 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:
3 N$ D4 R% U" ?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. 6 b& |# R3 @3 ^ U: F
抗生素和激素是被禁止的。
0 x1 d; j# z9 T X/ m
5 L) k. |) v! g: ^至于疯牛病,这是我找到的一条新闻
9 X; m$ q5 t5 t% c
: L. v2 k% ]! i3 Z9 |5 ^CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.. O! O% e0 E( \! N
" G; W4 F$ r0 o M* r! V* w3 N
The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
* p" g9 S8 \5 |" [% v5 n8 O4 B' Z$ s! V* c7 T% }% i i
No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
4 Z0 ^" c6 @+ i& f1 n6 l
) S9 d# A) M& vThe 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.
* b9 M" {; X9 h6 P% P3 D% }3 b. R) }, m" h
In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
' c/ g d% \1 H7 e
3 p# C! n4 k! l* F2 wSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.8 C% [- ]. R% G: w% _8 G
+ _+ D& J B: W8 C; I9 lhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
$ o2 ~+ T$ ?3 H% j) @7 ^
% k4 O5 F. h1 t3 {. i; z: K应该问题不大吧,谢谢! |
|