 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:' ]* c" S: U$ f
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.
; M1 z- b0 X' g8 [% l5 J抗生素和激素是被禁止的。
6 G0 ?( ?' c, Q, j, t* N3 B0 Y& s
至于疯牛病,这是我找到的一条新闻
% ~1 q Q1 c: V: t& u% f/ N/ i) d, j+ |" z2 A/ V3 m0 C" F
CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
: ^( P5 g( s( G3 F! x; H! w
8 l/ G$ h( @+ e" u4 Q ?5 LThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
% ^1 j! z# C( m) o1 N3 k, @% f. U3 [* Z" B* n8 R. s* s; h
No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.' k" F/ R% C- R% Q% q' ?7 h
& {: F/ {# M- O F; P
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.( ?: o3 O* L |) V
& d+ D8 X0 p, i w. i. H
In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
9 W/ V- Y1 @; g* l9 \3 X
) b# g9 k, r2 c* L5 B) uSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.* W g' _. h$ ] [ O# b
/ P7 w2 s$ R0 P, O/ T2 hhttp://ca.reuters.com/article/domesticNews/idCATRE7233JT201103042 U( m7 c6 `9 j7 t* j$ D
& `5 U/ W: p, E应该问题不大吧,谢谢! |
|