Preweaning breed-of-sire comparisons involving the Senepol breed of cattle.

F. A. Thrift, D. E. Franke, D. K. Aaron

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Preweaning data collected at two locations (Kentucky, Louisiana) were utilized to evaluate breed-of-sire comparisons involving the Senepol breed of cattle. For the Kentucky study, calves sired by Senepol bulls were 1.3 kg heavier (P less than .05) at birth than calves sired by Hereford bulls; however, weaning weights were similar for the two sire groups. For the Louisiana study, calves sired by Longhorn bulls were 5.3 kg lighter (P less than .01) at birth, 20 kg lighter (P less than .01) at weaning and had weaning condition scores .5 unit less (P less than .01) than the average of calves sired by Red Poll and Senepol bulls. Also, heifers exposed to Longhorn bulls weaned 23 kg less (P less than .01) calf per heifer exposed than the average of heifers exposed to Red Poll and Senepol bulls. Calves sired by Red Poll bulls were 1.2 kg heavier (P less than .01) at birth and 12 kg heavier (P less than .01) at weaning than those sired by Senepol bulls; however, the Senepol-sired calves received higher (P less than .01) condition scores at weaning. Heifers exposed to Red Poll bulls weaned 20 kg more (P less than .05) calf per heifer exposed than did heifers exposed to Senepol bulls.

Original languageEnglish
Pages (from-to)1247-1254
Number of pages8
JournalJournal of Animal Science
Volume62
Issue number5
DOIs
StatePublished - May 1986

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology
  • Genetics

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