Influence of environmental temperature on PGF(2 alpha)-induced nest building in female pigs

Burne, THJ, Murfitt, PJE and Gilbert, CL (2001) Influence of environmental temperature on PGF(2 alpha)-induced nest building in female pigs. Applied Animal Behaviour Science, 71 4: 293-304. doi:10.1016/S0168-1591(00)00189-1


Author Burne, THJ
Murfitt, PJE
Gilbert, CL
Title Influence of environmental temperature on PGF(2 alpha)-induced nest building in female pigs
Journal name Applied Animal Behaviour Science   Check publisher's open access policy
ISSN 0168-1591
Publication date 2001-03-01
Year available 2001
Sub-type Article (original research)
DOI 10.1016/S0168-1591(00)00189-1
Open Access Status Not yet assessed
Volume 71
Issue 4
Start page 293
End page 304
Total pages 12
Place of publication AMSTERDAM
Publisher ELSEVIER SCIENCE BV
Language eng
Abstract Domestic pigs build a maternal nest in the day preceding parturition. We have shown that prostaglandin F-2 alpha (PGF(2 alpha)) induces nest building behaviour in non-pregnant pigs. The aim of this experiment was to examine the effects of different environmental temperatures on PGF(2 alpha)-induced nest building. Data were collected from 9 Large White (LW) and 10 Large Black (LB) 9-9-month-old nulliparous sows (gilts). The pigs were housed in social groups between experiments and tested individually in pens (1.8m x 1.8 m) containing straw, within an environmentally controlled chamber. Pigs were habituated to the testing pens (maintained at 17 degreesC) and tested once at each of three temperatures (low, 5 degreesC; moderate, 17 degreesC; high, 30 degreesC). During testing the temperature of the chamber was adjusted at 09.00 h and had reached set point by 10.00 h. The pigs were injected intramuscularly with 3 mi saline at 10.30 h and 0.1 mg/kg PGF(2 alpha) (Lutalyse, Upjohn) at 11.30 h. Behaviour was scored for 1 h after treatment with saline and 1 h after treatment with PGF(2 alpha) using one/zero sampling from video recordings. Nest building behaviour (rooting, pawing and gathering straw) was induced by PGF(2 alpha) at all temperatures in both LW and LB breeds. There was a significant increase in routing behaviours with decreasing temperature. No significant effects of temperature were found on the scores for gather or paw. The pigs spent more time lying down at the high compared to the low temperature after both saline and PGF(2 alpha) treatment. Other behaviours unrelated to nest building but induced by PGF(2 alpha), such as scratching, were unaffected by temperature. The results show that the nest building behaviour of non-pregnant pigs can be induced by exogenous PGF(2 alpha) treatment, and that some, but not all, aspects of PGF(2 alpha)-induced nest building (rooting but not pawing or gathering) are altered by environmental temperature. (C) 2001 Elsevier Science B.V. All rights reserved.
Keyword prostaglandin
periparturient behaviour
temperature
nest building
Ranging Domestic Pigs
Pseudopregnant Gilts
Behavioral-Responses
Sows
Prolactin
Prostaglandin-F2-Alpha
Progesterone
Cortisol
Parturition
Pgf2-Alpha
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: ResearcherID Downloads - Archived
 
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