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Development of Diets for Low Birth-Weight Piglets to Improve Post-Weaning Growth Performance and Optimize Net Returns to the Producer

WShannon
Nutrition
November 20, 2020

A cost to the commercial pork production is variability in growth. Birth weights have a large variance from 0.40 kg to 2.5 kg. The smaller pigs rarely demonstrate compensatory growth and have a lagging rate of gain throughout all growth stages, often needing an additional 10 days to reach market weight. Light weaning pigs may respond better to a high-quality weaning diet and may help reduce overall variability. Growth performance for the first week after weaning improved when fed a complex diet  for 1-4 days. Lighter pigs lost less weight at weaning and had a greater response to the complex diet than the heavier pigs did. Phase 1 diet could be used more cost-effectively and efficiently if it was targeted to the lighter pigs at weaning. In this non-competitive environment, light-weight pigs were able to perform equal to the heavier litter mates, indicating that environmental factors such as feeder access need to be examined to improve the performance.

Development of Diets for Low Birth-Weight Piglets to Improve Post-Weaning Growth Performance and Optimize Net Returns to the Producer (full article)

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Research Areas
EngineeringEthologyManagementMediaNutritionOntario PorkProductionSwine Innovation Porc

Engineering

  • Optimizing temperature requirements of pigs to reduce energy use in swine production
  • Investment cost and payback period of a modified prototype livestock trailer
  • Alternative energy and heating sources

Nutrition

  • Transepithelial ion transport in the stomach of pigs exposed to gastric ulcer conditions
  • Developing an Indigestible Protein Index to Investigate the Effects of Dietary Protein in Pigs
  • Impact of fibre on performance and intestinal health of pigs fed a high indigestible protein level

Ethology

  • The influence of straw enrichment on hair hormone concentrations, behaviour, and productivity of growing pigs
  • Rearing pigs with play opportunities: The effects on disease resilience in pigs experimentally inoculated with PRRSV
  • Promoting play behaviour in grow-finish pigs

Management

  • Quality of Life Handbook – The use of environmental enrichment
  • Seek and you shall find; The value of postmortem, in pigs?
  • P1 development strategies for peak performance

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