Conference paper - Peer-reviewed, 2008
Effects of social environment on grazing behaviour and liveweight changes in first-season-grazing dairy calves
Hessle, Anna; Spörndly, EvaAbstract
The aim of this study was to investigate if the foraging behaviour of naïve calves turned out to pasture was more effective, and losses in liveweight thereby diminished, when the calves were accompanied by grazing-experienced cattle. Twenty-six first-season-grazing dairy calves were turned out to semi-natural grasslands allocated into groups with or without the company of secon-grazing steers. The behaviour of the calves was automatically recorded for 24 h during their first day on pasture, and after having been on pasture for one month, and the average liveweight changes were calculated for their first month at pasture. Calves turned out to pasture in the comany of experienced conspecifics were more active during grazing as measured by accelerometer sensors (score 132 vs. 117, P=0.023) than calves turned out to pasture in groups of their own. However, the higher grazing activity was not confirmed by longer grazing time or diminished liveweight losses. In conclusion, the company of grazing-experienced conspecifics resulted in higher grazing activity in naïve calves, but no effects on liveweight change were foundKeywords
naïve grazer; turn-out; foraging; activity; weight gain; social learningPublished in
Grassland Science in Europe2008, volume: 13, pages: 120-123
Book title: Biodiversity and Animal Feed: Future Challenges for Grassland Production
ISBN: 978-91-85911-47-9
Publisher: Swedish University of Agricultural Sciences
Conference
22nd General Meeting of the European Grassland FederationAuthors' information
Swedish University of Agricultural Sciences, Department of Animal Environment and Health
Spörndly, Eva
Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management
UKÄ Subject classification
Animal and Dairy Science
Veterinary Science
URI (permanent link to this page)
https://res.slu.se/id/publ/18946