 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:6 a" O( _) r8 ]
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.
t4 n+ m( c0 j: P6 X抗生素和激素是被禁止的。
% ?% ?; D+ c" R8 w( D q( v3 V' r' n; q3 o. b( M- ^
至于疯牛病,这是我找到的一条新闻9 O. W/ ?5 J6 I: l3 ]/ a. B2 [7 x
S- K5 v( M+ @7 w$ _+ ^
CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
2 p" R+ ]$ `% y# M' R
. @& U7 @8 r+ _8 }, M7 xThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.' D. D4 I* f, `, V' D0 n
2 K& j1 ?$ c/ I8 ANo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.; E# x9 Q5 w5 x' [9 A8 f! s
* C" m6 n- w+ V& E
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.
' U# e. p: v0 {6 C
/ |: @) ~" z* C( [In 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
. g8 _! k5 L0 K+ Y' \# j
" t+ G+ a% x( TSince 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
' U* \7 c4 P( t% ~- P, r/ k5 ?2 X& d" ]+ o) c' y% q
http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
( E5 S2 A8 \6 Y* O7 F# h! B$ ^7 A" n9 p* [: E/ x
应该问题不大吧,谢谢! |
|