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A Protocol for Computer-Based Protein Structure and Function Prediction
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Models for predicting protein requirements for meat quail.

Mariana Fátima Z F Nogueira1, Simara M Marcato1, Antônio C Furlan1

  • 1Animal Science Department, State University of Maringá, Maringá, Paraná, Brazil.

Animal Science Journal = Nihon Chikusan Gakkaiho
|May 18, 2019
PubMed
Summary

Determining crude protein requirements for meat quail is crucial for optimal growth. This study established maintenance and weight gain protein needs, developing predictive models for different age groups to enhance nutritional strategies.

Keywords:
comparative slaughterfactorial methodnitrogen balanceprediction equations

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Area of Science:

  • Animal Nutrition
  • Poultry Science
  • Quail Production

Background:

  • Accurate crude protein (CP) requirements are essential for efficient meat quail production.
  • Understanding maintenance (CPm) and weight gain (CPg) needs informs optimal feed formulation.
  • Existing data may not fully capture the dynamic protein requirements of growing meat quail.

Purpose of the Study:

  • To determine the crude protein requirements for maintenance (CPm) in meat quail.
  • To determine the crude protein requirements for weight gain (CPg) in meat quail.
  • To develop predictive models for crude protein requirements across various growth stages.

Main Methods:

  • Nitrogen-balance technique to estimate CPm.
  • Comparative-slaughter technique to estimate CPm.
  • Carcass analysis to determine body nitrogen retention for CPg estimation.

Main Results:

  • CPm estimated at 2.94 g/kg^0.75/day (nitrogen balance) and 6.63 g/kg^0.75/day (comparative slaughter).
  • CPg varied by age, with estimates ranging from 407.68 to 627.20 mg/g.
  • Developed predictive models incorporating metabolic weight (W^0.75) and daily weight gain (G).

Conclusions:

  • Established distinct CPm values using two methodologies.
  • Quantified age-specific CPg for meat quail.
  • Provided practical protein-requirement prediction models for optimizing meat quail nutrition.