Genetic relationship of body measurement traits at early age with carcass traits in Japanese black cattle

Tahmina Munim, Takuro Oikawa, Takayuki Ibi, Tetsuo Kunieda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Estimates of genetic parameters were obtained for body measurement traits of 648 animals at 4 months of age, of 545 at 8 months and carcass traits of 14972 animals with the use of an animal model by the restricted maximum likelihood procedure. The estimated heritabilities for carcass traits were high (0.41 to 0.54). At 4 months the estimated direct heritabilities for body measurement traits were moderate to high (0.28 to 0.64), except for chest width (0.19); at 8 months they were also moderate to high (0.23 to 0.49), except for chest depth and chest width (0.18 and 0.06, respectively). Maternal heritabilities for all body measurement traits were low at both ages. The results indicate that because of their moderate direct genetic correlations with body measurement traits, carcass weight, rib thickness and subcutaneous fat thickness can be improved; however, rib eye area and beef marbling standard show little such possibility considering their correlation with body measurement traits.

Original languageEnglish
Pages (from-to)206-212
Number of pages7
JournalAnimal Science Journal
Volume84
Issue number3
DOIs
Publication statusPublished - Mar 1 2013

Keywords

  • Body measurements
  • Carcass traits
  • Genetic correlation
  • Japanese Black cattle

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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