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Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a parent) following brief, early-life exposures. Offspring imprint onto parents within a brief period after birth or hatching; this time window is called the critical period. Once imprinting occurs, the bond established between the parents and their offspring is usually long-lasting.
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Gilt development to improve offspring performance and survivability.

Jamil E G Faccin1, Mike D Tokach1, Robert D Goodband1

  • 1Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS 66506-0201, USA.

Journal of Animal Science
|June 16, 2022
PubMed
Summary
This summary is machine-generated.

Proper gilt development is key for piglet survival. Optimizing gilt growth, nutrition, and breeding management enhances offspring health and herd longevity.

Keywords:
birth weightcolostrumlifetime performancelongevitynutritionpig

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Area of Science:

  • Animal Science
  • Reproductive Biology
  • Swine Production

Background:

  • Gilt development significantly impacts offspring survivability and herd productivity.
  • Mature sow herds with higher immunity confer better passive immunity to piglets.
  • Mammary gland development in gilts is crucial for adequate colostrum and milk production.

Purpose of the Study:

  • To outline optimal methods for gilt development influencing offspring survivability.
  • To detail direct and indirect impacts of gilt management on piglet health.
  • To provide guidelines for gilt selection, growth, and breeding for enhanced lifetime productivity.

Main Methods:

  • Review of management strategies for gilt development from birth to farrowing.
  • Analysis of nutritional and environmental factors affecting gilt growth and mammary development.
  • Examination of breeding and body condition targets for gilts to maximize longevity and productivity.

Main Results:

  • Proper gilt development improves piglet survivability through enhanced colostrum/milk production and maternal immunity.
  • Selection criteria include birth weight, weaning age, and growth rate (>600 g/d).
  • Optimal breeding occurs between 135-160 kg at second estrus or later, with careful post-breeding nutrition.

Conclusions:

  • Effective gilt development is essential for improving piglet survival rates.
  • Management practices directly influence mammary development and milk production.
  • Strategic gilt management contributes to a more robust and productive sow herd with increased longevity.