The optimum body weight of pig for pork production is

The optimum body weight of pig for pork production is 45 - 90 kg.
Pigs convert inedible feeds, forages, certain grain byproducts obtained from mills, meat by products, damaged feeds and garbage into valuable nutritious meat. Most of these feeds are either not edible or not very palatable to human beings.
A breeding boar requires 2 - 2.5 kg concentrate per 100 kg weight depending on the age, condition and breeding demand.