What is the primitive animal husbandry of Banpo clan?

The first volume of People's Education Edition's History of the Seventh Grade in China writes: Banpo Site, the site of primitive farming village found in banpo village near Xi 'an, Shaanxi, China.

Banpo people: time -5000-6000 years ago tools-making stone tools and wooden tools, bone tools houses-semi-crypt type.

Food-millet, cabbage, mustard, fish, pigs, deer.

The primitive animal husbandry was to feed pigs (different from the current pigs, smaller in size)