food chain, welfare?

[cindirella]

hello I am trying to translate from ENglish to Spanish some biotechnological text so I would be grateful if sb could give me a hand with this.Please...
my email: zuza.ignaczak@gmail.com
I would really appreciate that.
Susana

 

[O Betanceiro]

Food chain: CADENA ALIMENTARIA
Welfare:

 

[O Betanceiro]

Food chain: CADENA ALIMENTARIA
Welfare:BIENESTAR

 

[gap]

i have a similar problem, is egg welfare, when you buy it in england is easy to find but in spain which are the eggs welfare and chicken welfare. what is it refered to?
thanks