 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:
4 F Q7 s3 g& U: ]: }& U7 J1 sforage (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.
7 ^3 k W4 |" M5 ]/ z抗生素和激素是被禁止的。& n, o% i- _& r4 @3 c* j
) G4 g5 f: A9 n0 y至于疯牛病,这是我找到的一条新闻
0 y* Q# Q: b5 I: x" H" t9 ^! m% i" [! @6 t7 l
CALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.
5 ~* H1 n; w, _0 M
0 N N5 g2 u$ _( y; K2 W4 `The cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.
1 O8 Q, R8 C; t! D- v" N+ f3 }& ~; I* ]3 e" a
No part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.
8 F, }3 c" J& h$ M: B# k- ~/ ]& M7 N+ L f
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.$ P" `5 h! i& T
; [$ l" O5 z" l2 [+ i3 W, h4 j$ p- nIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
1 y3 F$ |* M3 L4 c# p2 H! Z1 v$ g2 |* N
Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.
) i- p; l5 } W+ T H, c- N6 D% g& [4 `/ s' j/ `* d
http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304% }$ S3 m* B+ ~1 D
- ~+ i1 T8 E/ p( H* `' k1 J
应该问题不大吧,谢谢! |
|