Examination of high-resolution feed intake data of grower finisher pigs confronted with typical short-term disturbances in stable routine

Peter Loibl, Wilhelm Windisch and Wolfgang Preißinger
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Peter Loibl: TUM School of Live Science Weihenstephan, Chair for Animal Nutrition, Technical University of Munich, Freising-Weihenstephan, Germany
Wilhelm Windisch: TUM School of Live Science Weihenstephan, Chair for Animal Nutrition, Technical University of Munich, Freising-Weihenstephan, Germany
Wolfgang Preißinger: Institute for Animal Nutrition, Bavarian State Research Center for Agriculture, Grub, Germany

Czech Journal of Animal Science, 2020, vol. 65, issue 7, 258-267

Abstract: Modern pig feeding systems allow the collection of highly detailed feeding data for each animal. These data enable the examination of individual feeding behaviours to assess an animal's wellbeing. As such, four different treatments ‒ undisturbed control, starving (no feed for 24 h, restrictive feeding), feed change (changes in feed composition) and social stress (exchanging of animals between the pens and short-term reduction of accessible water) ‒ were designed to simulate typical short-term disturbances in a practical stable routine. Each treatment was conducted over 2 pens with 12 animals each. Zootechnical performance and feed intake behaviour measures were assessed for each animal. Treatments did not affect zootechnical performance. Results showed that short-term disturbances did not influence feed intake behaviours, such as daily feed intake, amount of intake per feeder visit, number of daily feeder visits and daily feeding action with highest feed intake. Animals developed individual feeding patterns that persisted through artificial short-term disturbances. However, data suggested that an individual animal's behavioural pattern was strongly influenced by the group (pen) due to group dynamics among animals.

Keywords: fattening pigs; feed intake behaviour; single space feeder; feeder visit (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:65:y:2020:i:7:id:25-2020-cjas

DOI: 10.17221/25/2020-CJAS

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