Author pages are created from data sourced from our academic publisher partnerships and public sources.
- Publications
- Influence
Effects of ad libitum milk intake on dairy calves.
- John J. Jasper, D. Weary
- Biology, Medicine
- Journal of dairy science
- 1 November 2002
Conventional milk feeding for calves (by bucket twice daily at a total of 10% of body weight) was compared with feeding milk for ad libitum consumption from a nipple. Calves were weaned gradually… Expand
A scientific conception of animal welfare that reflects ethical concerns.
- D. Fraser, D. Weary, E. Pajor, B. Milligan
- Psychology
- 1997
Scientific research on 'animal welfare' began because of ethical concerns over the quality of life of animals, and the public looks to animal welfare research for guidance regarding these concerns.… Expand
- 628
- 38
- PDF
Prepartum behavior and dry matter intake identify dairy cows at risk for metritis.
- J. Huzzey, D. M. Veira, D. Weary, M. A. V. von Keyserlingk
- Medicine
- Journal of dairy science
- 1 July 2007
Metritis is a disease of particular concern after calving because of its profound negative effects on the reproductive performance of dairy cows. Cows at risk for metritis have shorter feeding times… Expand
Overstocking reduces lying time in dairy cows.
- J. Fregonesi, C. Tucker, D. Weary
- Biology, Medicine
- Journal of dairy science
- 1 July 2007
Our objective was to understand the effect of overstocking on the lying and standing behavior of dairy cattle. We manipulated freestall availability by providing 12, 11, 10, 9, or 8 freestalls to 12… Expand
Invited review: effects of milk ration on solid feed intake, weaning, and performance in dairy heifers.
- M. A. Khan, D. Weary, M. A. V. von Keyserlingk
- Biology, Medicine
- Journal of dairy science
- 1 March 2011
A feeding regimen that allows a smooth transition from milk to solid feed is vital for successful heifer-rearing programs. In the past, research efforts have focused on the development of feeding… Expand
Lying behavior as an indicator of lameness in dairy cows.
- K. Ito, M. A. V. von Keyserlingk, S. LeBlanc, D. Weary
- Medicine
- Journal of dairy science
- 1 August 2010
Lameness is widely recognized as one of the most serious welfare and production concerns in the dairy industry. Our objectives were to evaluate the associations between lying behavior and lameness,… Expand
Technical note: Validation of a system for monitoring rumination in dairy cows.
- K. Schirmann, M. A. V. von Keyserlingk, D. Weary, D. M. Veira, W. Heuwieser
- Mathematics, Medicine
- Journal of dairy science
- 1 December 2009
Increased rumination in dairy cattle has been associated with increased saliva production and improved rumen health. Most estimates of rumination are based on direct visual observations. Recently, an… Expand
Effect of feeding space on the inter-cow distance, aggression, and feeding behavior of free-stall housed lactating dairy cows.
- T. DeVries, M. A. V. von Keyserlingk, D. Weary
- Biology, Medicine
- Journal of dairy science
- 1 May 2004
The objectives of this study were to determine whether doubling the amount of feeding space from 0.5 to 1.0 m per cow leads to increased spacing between cows at the feeder, fewer aggressive social… Expand
Identifying and preventing pain in animals
- D. Weary, L. Niel, F. C. Flower, D. Fraser
- Medicine
- 1 October 2006
Animals are routinely subjected to painful procedures, such as tail docking for puppies, castration for piglets, dehorning for dairy calves, and surgery for laboratory rats. Disease and injury, such… Expand
Reducing pain after dehorning in dairy calves.
- P. Faulkner, D. Weary
- Medicine
- Journal of dairy science
- 1 September 2000
We investigated behavioral responses after dehorning and a sham procedure in 20 Holstein calves aged 4 to 8 wk. Calves either received a nonsteroidal antiinflammatory drug (ketoprofen) before… Expand