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Effects of food level and straw provision during pregnancy on sow performance and responses to an adrenocorticotrophic hormone challenge

Published online by Cambridge University Press:  05 November 2021

H.A.M. Spoolder ,
J.A. Burbidge ,
S.A. Edwards ,
A.B. Lawrence  and
P.H. Simmins
H.A.M. Spoolder
Affiliation:
ADAS Terrington, Terrington St. Clement, King's Lynn, PE34 4PW, United Kingdom
J.A. Burbidge
Affiliation:
ADAS Terrington, Terrington St. Clement, King's Lynn, PE34 4PW, United Kingdom
S.A. Edwards
Affiliation:
SAC, West Mains Road, Edinburgh, EH9 3JG, United Kingdom
A.B. Lawrence
Affiliation:
SAC, West Mains Road, Edinburgh, EH9 3JG, United Kingdom
P.H. Simmins
Affiliation:
Rhone Poulenc Animal Nutrition, 42 Av. Aristide Briand, 92164 Antony, France
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Extract

In commercial practice, almost all pregnant sows are fed on restricted feeding regimes. Operant conditioning studies suggest that this results in the animals being food motivated for most of the day (Lawrence et at., 1988), a behavioural state which, in relatively barren environments, has been associated with the development of abnormal stereotypic behaviour (Spoolder et al., 1995). Straw provision reduces the development of stereotypies, possibly reflecting reduced (physiological) stress levels. In addition, it may result in lower nutritional requirements (Simmins et al., 1994).

Type
Pig Welfare
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 197
Copyright
Copyright © The British Society of Animal Science 1996

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References

Lawrence, A.B., Appleby, M.C. and Macleod, H.A. (1988). Measuring hunger in the pig using operant conditioning the effect of food restriction. Animal Production, 47: 131–137.Google Scholar
Simmins, P.H., Edwards, S.A. and Spechter, H.H. (1994). Growth and body condition of sows given different feeding regimes during the rearing stages and through eight parities when housed in groups with straw bedding. Animal Production, 58: 271–283.10.1017/S1357729800042594CrossRefGoogle Scholar
Spoolder, H.A.M., Burbidge, J.A., Lawrence, A.B., Simmins, P.H. and Edwards, S.A. (1995). Provision of a foraging substrate reduces the development of excessive chain and bar manipulation in food restricted sows. Applied Animal Behaviour Science, 43: 249–262.10.1016/0168-1591(95)00566-BCrossRefGoogle Scholar