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Floor feeding sows their daily allocation over multiple drops per day does not result in more equitable feeding opportunities in later drops

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Verdon, M, Zegarra, N, Achayra, R and Hemsworth, PH 2018 , 'Floor feeding sows their daily allocation over multiple drops per day does not result in more equitable feeding opportunities in later drops' , Animals, vol. 8, no. 6 , pp. 1-12 , doi: 10.3390/ani8060086.

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Abstract

This research studied whether floor feeding group-housed sows their daily allocation overmultiple feed drops per day provides more equitable feeding opportunities in later drops. Over four time replicates, 275 sows were mixed into groups of 10 for both their first and second gestations (200 sows/gestation, 126 sows observed in both gestations). The feeding behavior of individual sows was recorded for 10 min following each of four feed drops per day (0730, 0900, 1100, 1500 h) on days 2, 9 and 51 post-mixing. The location of feeding sows (i.e., feeding in areas associated with high, reduced or little/no food availability) was also recorded. Sow aggressive behavior on day 2 was used to classify sows as dominant (D), subdominant (SD), or submissive (SM). Dominant sows spent the most time feeding in areas of high-food availability (gestation 1, p p = 0.023); SD sows fed more frequently than D sows from areas of reduced food availability (gestation 1, p = 0.001; gestation 2, p = 0.025); and SM sows performed more feeding behavior in areas of little/no food availability (gestation 1, p p p > 0.05). Further research on the management and design of floor feeding systems is required, with a particular emphasis on increasing accessibility to sows that avoid the feeding area.

Item Type: Article
Authors/Creators:Verdon, M and Zegarra, N and Achayra, R and Hemsworth, PH
Keywords: aggression, feeding behaviour, floor feeding, sow
Journal or Publication Title: Animals
Publisher: Cambridge University Press
ISSN: 1751-7311
DOI / ID Number: 10.3390/ani8060086
Copyright Information:

© 2018 by the authors. Licensee MDPI, Basel, Switzerland. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/

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