Reducing dietary crude protein improves gut health in piglets

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Reducing dietary crude protein improves gut health in piglets

Feed is one of the most important component which accounts for 60 to 70% of the total cost of pig production. In commercial piglet diets, allowing only protein feedstuffs to meet the dietary lysine needs of the animal would increase levels of other essential and non-essential amino acids (AA) beyond requirement. This would eventually result in diets with higher crude protein (CP) content. The major negative effects of high CP diet include excessive nitrogen excretion, reduced nitrogen utilization, higher hind-gut protein fermentation, and last but not least, higher feed cost. The most important environmental concern in swine farms are ammonia and nitrogen emissions which causes air and water pollution.There are ongoing debatable discussion on the strategies to reduce ammonia and other noxious gases emission in swine production.
Reducing dietary CP at the same time meeting nutritional requirements with supplemental AAs has been suggested as one of the most effective nutritional strategy to decrease nitrogen excretion and promoting gut health. This strategy has gained interest in swine production over the last decade.

Benefits of 1% dietary CP reduction in piglets

  • Improvesnutrient digestibility
  • Reduces nitrogen and ammonia emission by 10% and 12%, respectively  
  • Reduces water consumption and manure volume by 3% and 5%, respectively
  • Promotes gut health by modulating gut microbiota and maintains gut integrity
  • Feed cost saving

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