1. Official method 990.20 solids (total) in milk. By direct forced air oven drying;AOAC,1995
2. Official method 942.05. Ash of animal feed;AOAC,1995
3. Official method 932.06. Fat in dried milk;AOAC,2004
4. Official method 990.03. Protein (crude) in animal feed. Combustion method;AOAC,2004
5. Official Procedure Am 5-04. Rapid Determination of Oil/Fat Utilizing High Temperature Solvent Extraction;AOCS,2009