Record nummer 1992257
Titel artikel Effect of increasing temparature on space requirements of group housed finishing pigs
Auteur(s) Spoolder, H.A.M. ; Aarnink, A.J.A. ; Vermeer, H.M. ; Riel, J.W. van ; Edwards, S.A.
Tijdschrifttitel Applied animal behaviour science : an international scientific journal reporting on the application of ethology to animals used by man
Deel(Jaar)Nummer 138(2012)3/4
Paginering 229 - 239
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Trefwoorden (cab) dierenwelzijn / dierlijke productie / varkens / huisvesting, dieren / diergedrag / temperatuur / groepshuisvesting / varkensstallen / varkenshouderij
Rubrieken Varkens
Publicatie type Artikel
Taal Engels
Toelichting (Engels) For groups of pigs to cope adequately with their housing conditions they need sufficient static space (occupied by the body of the pig), activity space (for movement between different functional areas and behaviours relating to these) and interaction space (for appropriate social behaviour). Estimates for static space have been presented for thermoneutral conditions, but are expected to increase substantially as temperature increases. The present paper models the relationship between ambient temperatures above the comfort zone, and thermoregulatory lying behaviour in finishing pigs. Estimates of the effect of posture on floor occupation were obtained and presented as 'k-values' (k = floor area occupied (m2)/body weight2/3 (kg)) to correct for the effect of pig size. A literature review was conducted to collect information on three aspects of lying behaviour: lying frequency, posture (lateral, semi lateral or ventral lying) and level of space sharing (huddling) in response to increasing temperatures.
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