By supplementing an appropriate variety and quantity of industrially synthesized crystalline amino acids,low protein diet can precisely satisfy the amino acid nutritional requirements for the rapid growth of pigs,avoiding protein feed waste and reducing fecal and urinary nitrogen emissions.The diversified diet with low protein and low soybean meal serves as a technical foundation based on the low protein diet.It is formula-ted by considering the available nutrients of various energy feed and protein feed,formulating a low soybean meal diet with variety types of raw materials,strong nutrient complementarity,and high nutritional balance.The diversified diet with low protein and low soybean meal can effectively enhance the digestion,absorption and deposition of nutrients in feed for pigs,reduce the use of major imported feed ingredients in diet such as soybean meal and corn,which is of great significance for save feed and improve efficiency and improving pig farming efficiency.This article reviews the technology,application effects,and prospects of diversified diet with low protein and low soybean meal for pigs from aspects such as research and application progress,impact on pig farming efficiency,efficiency comparison between synthetic amino acids and natural amino acids,ami-no acid quantity requirements and production capacity analysis,to provide a certain reference and assistance for related research work.[Chinese Journal of Animal Nutrition,2024,36(6):3401-3412]
关键词
低蛋白质低豆粕多元化饲粮/合成氨基酸/猪/粮食安全/生产效率
Key words
diversified diet with low protein and low soybean meal/synthetic amino acids/pigs/feed securi-ty/production efficiency