 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:
2 E& l9 O# l! I: B. K0 y: Fforage (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.
* R# u$ O& {1 v抗生素和激素是被禁止的。
+ i, p; L: |4 k% [, B- W3 b& ?5 o. K# g
至于疯牛病,这是我找到的一条新闻) o ?7 p# m4 y' I3 h% P
2 _+ h6 @3 a: J1 Y* D5 cCALGARY - An Alberta cow has tested positive for mad cow disease, the Canada Food Inspection Agency confirmed Friday.4 |0 c2 }. A/ m5 t6 v/ p1 _# u
# O2 ^& y- K- I& ?9 U% mThe cow, a 77-month dairy cow, was found to have bovine spongiform encephalopathy on February 18.0 d0 r+ D( D& v7 i5 D! h# h
$ G( f/ c& o/ J# A! Y7 B& j2 ~( UNo part of the animal's carcass has entered the food chain or animal-feed systems, the CFIA said.. B3 X* q% l! n* a4 \+ H
& |" H- r# d, }, h+ U! r( Y1 B0 c
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.
0 q9 P) z; O, s8 E5 h
$ q, d. `' o) J' j& uIn 2009 and 2010 each, one of about 35,000 cows tested for the disease tested positive.
! @4 T# b+ Y4 \) x. Q. x- ]* z! u; `; R5 l/ S, t1 R7 X
Since 2003, there have been 18 cases of confirmed mad-cow disease, CFIA data shows.- a/ F3 L5 i! I: A2 f
: [$ z% h7 g1 F
http://ca.reuters.com/article/domesticNews/idCATRE7233JT20110304
9 q/ E, f1 M/ }2 e0 y! R( M1 w, c1 n7 S
应该问题不大吧,谢谢! |
|