1. Nutrient Requirements of Swine;National Research Council,1998
2. Facts Concerning Live Stock;Plumb,1901
3. Industrial Insights, Meat Industry in China;Statista,2021
4. National Agriculture Statistics Service;USDA,2020
5. Comparison of two blended animal-vegetable fats having low or high free fatty acid content;Waldroup;J. Appl. Poultry Res.,1996