Influence of prepartum dietary energy on beef cow performance and calf growth and carcass characteristics

T. B. Wilson, Dan B Faulkner, D. W. Shike

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objectives were to evaluate the effects of prepartum dietary energy intake on cow performance as well as performance and carcass characteristics of subsequent progeny. Spring-calving, mature cows (n=106 total) were blocked by BW and allotted to 1 of 2 treatments: ground hay and dried distillers grains plus solubles (REQ: TDN=61.8%, CP=11.0%, fat=2.1%), or corn bran and ground cornstalks (HE: TDN=70.3%, CP=10.0%, fat=5.7%). Treatments were limit-fed as isonitrogenous rations with REQ and HE providing 100% and 125% of TDN requirements, respectively, and were fed from 83±10 d prepartum to calving. All cows were fed a common diet postpartum. Cow BW and BCS were recorded at the beginning of the feeding period, 24 h post-calving, and at breeding. Milk production was estimated via the weigh-suckle-weigh technique 65±9 and 120±9 d postpartum. Calf BW was measured at birth and at weaning (120±9 d of age). Calves (n=86) were fed a common feedlot diet beginning 2 d after weaning, and individual feed intake was monitored using GrowSafe. Progeny were slaughtered in 3 groups at an average 12th rib fat thickness of 1.3 cm. From initiation of experiment to breeding, cow BW change was greater (P

Original languageEnglish (US)
Pages (from-to)21-27
Number of pages7
JournalLivestock Science
Volume184
DOIs
StatePublished - Feb 1 2016

Fingerprint

beef cows
carcass characteristics
Fats
calves
Weaning
cows
Postpartum Period
Breeding
energy
calving
Growth
Diet
Ribs
Energy Intake
weaning
Zea mays
corn bran
Milk
Parturition
distillers grains

Keywords

  • Beef cow
  • Fetal programming
  • Gestational nutrition
  • Overfeeding

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

Cite this

Influence of prepartum dietary energy on beef cow performance and calf growth and carcass characteristics. / Wilson, T. B.; Faulkner, Dan B; Shike, D. W.

In: Livestock Science, Vol. 184, 01.02.2016, p. 21-27.

Research output: Contribution to journalArticle

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