 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:. J/ o% ]0 @9 b$ R1 P+ T/ e
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.
- H! i3 t% x i2 E( }* U( q抗生素和激素是被禁止的。' n3 @+ b& o8 T: \
6 N& C8 X$ {. t) P7 K至于疯牛病,这是我找到的一条新闻5 T, F5 ?6 R# E. n
( ^$ ]& h+ B" }3 E
CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
* ~% o' l& d2 i
% o3 Z9 `5 Y, |" l0 M8 z2 m3 EThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
1 V5 f G( r# b# [2 s: B/ s9 j- W, l& @- d' }: ^7 z, `. i4 O7 `! X
No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said., v x2 R8 w/ Z2 D! I" h8 \" U; y
P+ q0 _# d& w8 [9 m N
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.! J/ n u4 _5 V9 t! d" u# h
4 K P) Y6 u% d/ zIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
( ^ q# ^8 n- R2 w" D5 R; \: J9 Y; B3 F! t3 V' p4 q
Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.7 m8 R2 U- n4 d. S: e
; U# {" R/ k3 e5 y- _0 N. j
http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304+ ?6 R* G- k$ t$ S. S
4 }, {6 C; e, o应该问题不大吧,谢谢! |
|