Effects of Prenatal Androgenization and Implantation on the Performance and Carcass Composition of Lactating Heifers in the Single-Calf Heifer System

G. N. Hermesmeyer, L. L. Berger, Dan B Faulkner, D. J. Kesler, T. G. Nash, D. M. Schaefer

Research output: Contribution to journalArticle

Abstract

Two experiments were conducted to evaluate feedlot performance of heifers and calves and the lactational characteristics and carcass composition and quality of heifers while in the single-calf heifer (SCH) system. In Exp. 1, 24 lactating Angus × Holstein heifers were slowly adapted to an 85% concentrate diet, and one-half of the heifers were implanted with Finaplix-H®, both at 11 wk postpartum. Heifer-calf pairs were then placed in feedlot pens, equipped with pinpointer feeding devices, and fed an 85% concentrate diet for 102 d. The control (C) and implanted (I) heifers had similar (P=0.27) daily gains and similar (P=0.30) DMI; however, I heifers consumed 8.9% less (P

Original languageEnglish (US)
Pages (from-to)173-180
Number of pages8
JournalProfessional Animal Scientist
Volume15
Issue number3
DOIs
StatePublished - Sep 1 1999
Externally publishedYes

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masculinization
Virilism
carcass composition
heifers
calves
Diet
Postpartum Period
Equipment and Supplies
feedlots
concentrates
carcass quality
Angus
diet
Holstein

Keywords

  • Androgens
  • Heifers
  • Implantation
  • Prenatal

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Food Science

Cite this

Effects of Prenatal Androgenization and Implantation on the Performance and Carcass Composition of Lactating Heifers in the Single-Calf Heifer System. / Hermesmeyer, G. N.; Berger, L. L.; Faulkner, Dan B; Kesler, D. J.; Nash, T. G.; Schaefer, D. M.

In: Professional Animal Scientist, Vol. 15, No. 3, 01.09.1999, p. 173-180.

Research output: Contribution to journalArticle

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