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Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings
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Fetal programming in meat production.

Min Du1, Bo Wang1, Xing Fu1

  • 1Department of Animal Sciences, Washington State University, Pullman, WA 99164, United States.

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|May 9, 2015
PubMed
Summary
This summary is machine-generated.

Maternal nutrition during fetal development significantly impacts offspring meat production and quality. Optimizing progenitor cell differentiation enhances muscle growth and meat characteristics like marbling and tenderness.

Keywords:
AdipogenesisFetal programmingMeatMyogenesisProgenitor cellsQuality

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Area of Science:

  • Developmental Biology
  • Animal Science
  • Nutritional Science

Background:

  • Fetal nutrient availability critically influences long-term meat production efficiency and quality.
  • Mesenchymal progenitor cells differentiate into myogenic and adipogenic/fibrogenic lineages, shaping muscle and fat development.
  • Early developmental nutrition impacts skeletal muscle formation and intramuscular fat deposition.

Purpose of the Study:

  • To elucidate the long-term effects of fetal nutrient fluctuations on meat production and quality.
  • To understand how progenitor cell differentiation pathways influence muscle growth and meat characteristics.
  • To review the impact of early nutrition on meat traits in livestock, poultry, and fish.

Main Methods:

  • Review of existing literature on fetal development and meat science.
  • Analysis of progenitor cell differentiation into myogenic and adipogenic/fibrogenic lineages.
  • Comparative examination of nutritional impacts across different species (mammals, poultry, fish).

Main Results:

  • Enhanced progenitor cell proliferation and myogenic commitment boost offspring muscle growth and lean yield.
  • Promoting adipogenic differentiation increases intramuscular adipocytes, improving meat marbling and tenderness.
  • Maternal nutrition demonstrates a clear link to meat quantity and quality in mammals and poultry.

Conclusions:

  • Early life nutrition is a key determinant of meat production and quality in many species.
  • Further research is needed to clarify the role of early nutrition in fish growth due to their lifelong muscle fiber generation capability.