Although the formula in question can not eat them, but how to give pigs eat? How

5 farm pigs fed milk melamine exceeding up to 515 times the maximum
Milk sales were the south bank of District Prosecutor's Office to prosecute the crime of illegal business
2 tons of milk powder to the market, some of which exceeded 515 times the melamine milk powder. The flow of milk is not a supermarket stores, but sales to the farm were pigs eat.
Recently, the South Bank District Prosecutor's Office revealed that sales of milk Tangmou on suspicion of illegal business being prosecuted. This is also the city's first case of illegal toxic milk powder.
September 2008, the contaminated Sanlu infant milk powder incident came to light. Consumption of contaminated infant milk powder produced kidney stone disease, the reason is that milk powder containing melamine. The investigation, adding melamine in milk, can increase the protein content of raw milk.
April 2011, the Ministry of Health and other departments jointly issued a public notice requirements of infant formula with melamine limits is 1mg/kg, other limits for melamine in food is 2.5mg/kg. Higher than the limit of the food are not allowed to sell