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Developmental Programming, Evolution, and Animal Welfare: A Case for Evolutionary Veterinary Science.

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Early life conditions critically impact animal health and welfare through developmental programming. Evolutionary veterinary science (EvoVetSci) can optimize offspring development by understanding Predictive Adaptive Responses (PAR) and their evolutionary origins.

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Area of Science:

  • Evolutionary biology
  • Animal science
  • Veterinary medicine

Background:

  • Early life environmental conditions profoundly influence an animal's lifelong health, welfare, and development.
  • Developmental programming, particularly Predictive Adaptive Responses (PAR), aims to align offspring phenotype with anticipated future environments.
  • Mismatches between predicted and actual environments can lead to adverse health outcomes, such as metabolic diseases and behavioral changes.

Purpose of the Study:

  • To explore the evolutionary underpinnings of developmental programming and Predictive Adaptive Responses (PAR) in animals.
  • To elucidate how evolutionary theory can enhance the understanding of animal health and welfare.
  • To advocate for the integration of evolutionary veterinary science (EvoVetSci) in animal health research.

Main Methods:

  • Drawing on evolutionary theory to analyze developmental programming processes.
  • Examining the concept of Predictive Adaptive Responses (PAR) and its implications.
  • Reviewing examples of developmental mismatches and their consequences.

Main Results:

  • Predictive Adaptive Responses (PAR) are evolutionary mechanisms for matching offspring to predicted environments.
  • Failures in PAR predictions result in phenotypic mismatches with lasting negative health and welfare consequences.
  • Maternal nutrition and stress are key factors influencing developmental programming and offspring outcomes.

Conclusions:

  • Understanding the evolutionary origins of developmental programming is crucial for optimizing offspring welfare.
  • Evolutionary veterinary science (EvoVetSci) offers a valuable framework for advancing animal health and welfare research.
  • Applying evolutionary principles, akin to evolutionary medicine in humans, can significantly benefit animal health.