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Model definition for genetic evaluation of purebred and crossbred lambs including heterosis

Authors
  • Vargas Jurado, Napoleón1
  • Notter, David R2
  • Taylor, Joshua B3
  • Brown, Daniel J4
  • Mousel, Michelle R3
  • Lewis, Ronald M1
  • 1 Department of Animal Science, University of Nebraska – Lincoln, Lincoln, NE 68583 , (United States)
  • 2 Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061 , (United States)
  • 3 USDA, ARS, Range Sheep Production Efficiency Research Unit, U.S. Sheep Experiment Station, Dubois, ID 83423 , (United States)
  • 4 Animal Genetics and Breeding Unit (A Joint Venture of the NSW Department of Primary Industries and University of New England), University of New England, Armidale, NSW 2351 , (Australia)
Type
Published Article
Journal
Journal of Animal Science
Publisher
Oxford University Press
Publication Date
Jun 03, 2022
Volume
100
Issue
6
Identifiers
DOI: 10.1093/jas/skac188
PMID: 35696612
PMCID: PMC9191838
Source
PubMed Central
Keywords
Disciplines
  • AcademicSubjects/SCI00960
License
Unknown

Abstract

Both direct and maternal heterosis increase birth and post-natal weights in crossbred lambs. Estimates of these heterotic effects can be used as adjustment factors in multi-breed genetic evaluations.

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