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Dr. Chris Hostetler - National Pork Board Initiative to Improve Sow Lifetime Productivity
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Dr. Chris Hostetler - National Pork Board Initiative to Improve Sow Lifetime Productivity

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National Pork Board Initiative to Improve Sow Lifetime Productivity - Dr. Chris Hostetler, National Pork Board, from the 2012 Allen D. Leman Swine Conference, September 15-18, St. Paul, Minnesota, …

National Pork Board Initiative to Improve Sow Lifetime Productivity - Dr. Chris Hostetler, National Pork Board, from the 2012 Allen D. Leman Swine Conference, September 15-18, St. Paul, Minnesota, USA.

More presentations at http://www.swinecast.com/2012-leman-swine-conference-material

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  • 1. Making Improvements in Sow Lifetime Productivity Chris Hostetler, PhD Director of Animal Science National Pork Board
  • 2. Sow Lifetime Productivity Definition: • The total number of quality pigs a female produces from the time she becomes breeding eligible until she leaves the herd 2
  • 3. Sow Lifetime Productivity • Affected by a variety of factors • Reaches across multiple disciplines • Umbrella for collaborative research between areas within Science and Technology • Accounts for both sow longevity and piglet production, growth and viability 3
  • 4. Challenges • Sow Lifetime Productivity is not typically monitored or benchmarked under commercial conditions • Requires observing a large number of animals over an extended period of time so research is expensive, labor intensive and time consuming • Variation in the number of pigs females produce during their lifetime is very high under commercial conditions 4
  • 5. Sow Lifetime Productivity Distribution 5
  • 6. NPB-supported Research – Historical Perspective • Maternal Line National Genetic Evaluation Program of the 90s • Starting in 2005 research targeted increasing sow longevity • Starting in 2008 research targeted increasing sow lifetime productivity – Spanned multiple disciplines within Science and Technology – Not coordinated 6
  • 7. Year Animal Science 2005 2006 Swine Health Swine Health -PRRS Animal Welfare 5 2 2 4 1 3 2007 8 2008 3 3 12 5 2009 6 4 10 2 2010 1 2 8 1 2011 5 4 4 0 7
  • 8. Current Projects Title Project ID Diagnosis of sow lameness using the microcomputer-based force plate system and pattern recognition methods 11-092 Evaluation of a Physiological Test for Sow Longevity 11-103 Reproductive performance and longevity in replacement gilts allowed different amounts of floor space during the nursery phase of rearing 11-118 The impact of the timing of relocation of replacement gilts from pens to stalls on gilt fertility and sow longevity 11-123 Effects of Preweaning Factors on Sow Lifetime Productivity 11-146 8
  • 9. Research Priority • Animal Science Committee of the National Pork Board identified Sow Lifetime Productivity as an industry priority. • The ANS committee recommended a study to determine the feasibility of a coordinated national SLP research program with the specific purpose of improving SLP in a responsible and economically effective method. • National Pork Board identified Sow Lifetime Productivity as a key initiative for future funding. • A strategic plan was developed to focus on improvement of lifetime sow productivity. 9
  • 10. The Strategic Plan for SLP Research Phase 1: 1. 2. 3. 4. Review international research models Build model for program direction Focus research priorities Complete survey of research resources in the industry Phase 2: 1. Develop the strategic plan, leadership, and budget 2. Develop the outline of facility needs 3. Develop funding proposal to stakeholders 10
  • 11. Recommended Areas of Research Concentration • Optimizing gilt development to increase lifetime productivity • Increasing number of pigs weaned per litter through improved sow lactation performance and decreased pre-wean mortality • Increase length of sow life in the herd through focused research on decreasing herd fall-out in the early parities 11
  • 12. Goal: • Conduct research that will lead to a 30% improvement in sow lifetime productivity by 2018. – Currently sows in the US herd produce approximately 35 pigs during their productive lifetime – Raising the average parity from 3.4 to 4.3 – Increasing total pigs weaned in sow lifetime by 10 – 15 12
  • 13. Current Industry Averages Current Industry Productivity 13
  • 14. Knauer and Hostetler, 2012 14
  • 15. Knauer and Hostetler, 2012 15
  • 16. Knauer and Hostetler, 2012 16
  • 17. Criterion 2005 2006 2007 2008 2009 2010 Slope Litters/Mated Sow/Year 2.31 2.34 2.34 2.35 0.004 0.39 Number Born Alive 10.77 10.92 11.11 11.33 11.61 11.83 0.217 0.99 Number Weaned 9.30 Preweaning Mortality (%) 13.68 14.08 14.03 14.15 14.03 14.75 0.152 0.67 Pigs/Mated sow/Year 21.50 21.94 22.37 22.87 23.40 23.63 0.444 0.99 Replacement Rate (%) 54.07 57.76 56.02 56.10 51.38 52.22 -0. 813 0.38 Sow Mortality (%) 11.18 10.67 10.43 10.26 9.81 10.39 -0.162 Knauer and Hostetler, 2012 17 9.39 9.55 9.72 2.34 2.34 R2 9.98 10.08 0.169 0.98 0.63
  • 18. Organizational Structure 18
  • 19. Sow Lifetime Productivity Structure • Project Coordinator • SLP Oversight Working Group 1. Review proposals submitted in response to RFPs 2. Make funding decisions • SLP Scientific Working Group 1. Establish a definition of sow lifetime productivity. 2. Determine how to measure sow lifetime productivity. 3. Develop a “road map” for research to be conducted 19
  • 20. SLP Scientific Working Group • Definition of Sow Lifetime Productivity • Research Focus – Gilt development: • “Are we optimizing gilt development relative to lifetime productivity?” – Piglet growth and survival: • “Piglets never get over either a good or a bad start.” – Bioinformatic mechanisms: • “If you can’t (or don’t) measure it, you can’t improve it” 20
  • 21. Gilt Development and Retention Reproduction Nutrition Environment Rate of Lean/Fat Deposition Lactation Immune Status Structural Soundness 21
  • 22. Piglet Size and Viability Milk Components Sow Nutrition Neonatal Care Maternal Influence on Growth Antibody Transfer Environment Lactation Physiology 22
  • 23. Future Direction • What type of research needs to be conducted? • What new or emerging technologies need to be developed? • How is information disseminated through creation of educational programs or materials? 23
  • 24. Summary • Research in sow lifetime productivity requires coordination across multiple disciplines • Improving sow lifetime productivity will greatly impact all phases of pork production • Research will focus on gilt development during 2012 and beyond • Research will concentrate on piglet growth and viability and bioinformatics in 2013 and beyond 24
  • 25. Thank you for your time and support This message funded by America’s Pork Checkoff Program.
  • 26. Effect of neonatal litter size and early puberty stimulation on sow longevity and reproductive performance - #05-082 • 3 treatments – Season • Spring • fall – Rearing environment (birth to weaning) • ≤ 7 littermates • ≥ 10 littermates – Puberty stimulation • Boar exposure @ 140 d of age • Boar exposure @ 170 d of age 26
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  • 30. Previous Projects Title Project Number Association of compositional, structural soundness, health, and genetic marker status with the ability of a commercial line of young sows to successfully complete parity one 05-081 Effect of Neonatal Litter Size and Early Puberty Stimulation on Sow Longevity and Reproductive Performance 05-082 Analysis of periparturient risk factors affecting longevity and subsequent performance of sows of parities one to three in breeding herds 05-100 Discovery and Validation of Genetic Markers for Sow Longevity 05-107 Development of a Condition Scoring Guide - using live animals 05-172 30
  • 31. Previous Projects Title Project Number Association of compositional, structural soundness, health, and genetic marker status with the ability of a commercial line of young sows to successfully complete parity two and three 06-031 Association of genetic markers with structural soundness and its relationship to gilt development and sow longevity 06-019 Sow Longevity Management Guide - Literature Review 06-188 Association of compositional traits and structural soundness with the ability of commercial line of sows to complete parities four and five (A continuation of the original projects 2005 and 2006 with a similar name) 06-192 31
  • 32. Previous Projects Title Project Number Evaluation of the lean content and trim of cull sows on their value at harvest. 08-010 Association of genetic markers with structural soundness and its relationship to gilt development and sow longevity 08-012 Influence of sow lean mass at first farrowing and estrus management after weaning on sow fertility and longevity 08-070 Effect of pregnant gilt zinc and lipid supplementation on neonatal piglet brain myelination and preweaning mortality 09-024 Identification of markers associated with sow life time productivity for whole genomic selection 09-032 32