The video starts with a geographic discription of Sichuan, a town located in South East China. Sichuan is a major pig producer in China. Pig here is mostly raised in backyard crop-livestock smallholder systems with sweet potato as one of the major crops. Sweet potato is widely planted in this are...
Enlace original:
https://cgspace.cgiar.org/handle/10568/50251
International Livestock Research Institute
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[CASREN in Sichuan]
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CASREN in Sichuan