Effect of hyperketonaemia and feeding on fertility in dairy cows

Abstract

Increased feeding frequency of concentrate (2 vs 4 times/day) was related to shorter intervals from calving to first service and from calving to last service of 5 and 6 days, respectively, in mature cows. Increased total intake of energy in early lactation was related to shorter intervals from calving to last service in both primiparous and multiparous cows, 0.3 and 0.1 days per megajoule metabolizable energy, respectively. However, increased amounts of concentrate at calving in multiparous cows, and 15 days after calving in primiparous cows, were related to longer intervals from calving to last service and from calving to first service, respectively. The negative effect on these intervals was estimated to be approximately 2 days per kilogram of concentrate.

Keywords

ACETONE; REPRODUCTION; ENERGY; NUTRITION

Published in

Theriogenology
1991, volume: 36, number: 4, pages: 521-536
Publisher: BUTTERWORTH-HEINEMANN

SLU Authors

• Andersson, Lennart S-O

  • Experimental Station in Skara, Swedish University of Agricultural Sciences
    
  • Swedish Association for Livestock Breeding and Production (SHS)

• Emanuelson, Ulf

  • Swedish Association for Livestock Breeding and Production (SHS)

UKÄ Subject classification

Other Veterinary Science

Publication identifier

• DOI: https://doi.org/10.1016/0093-691X(91)90392-Q

Permanent link to this page (URI)

https://res.slu.se/id/publ/48929