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Some behavioural deviations in weaned domestic pigs: persistent inguinal nose thrusting, and tail and ear biting

Published online by Cambridge University Press:  02 September 2010

Judith K. Blackshaw
Judith K. Blackshaw
Affiliation:
Animal Behaviour Unit, Department of Psychology, University of Queensland, St Lucia, Queensland 4067, Australia
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Abstract

Groups of pigs were observed from weaning to marketing for the incidence of tail and/or ear biting and persistent inguinal nose thrusting. The 16 groups included single and mixed litters, single or mixed-sex ratios, and comprised up to 12 pigs; 14 of the groups showed biting behaviour and 12 groups showed persistent inguinal nose thrusting behaviour. The onset of biting appeared from 0 to 44 days after weaning, and persistent inguinal nose thrusting was first observed 4 to 22 days after weaning.

There was a significant relationship between the number of pigs biting and being bitten in a group. The high ranks tend to bite middle and low ranks more than expected, the middle ranks bite other middle ranks more than expected, and low ranks bite the least. Within any rank there was no difference between male and females biting or being bitten. The most common situation was to have, in a group, some pigs which only tail bit, others that only ear bit, and others which both tail and ear bit. It is suggested that biting is a learned response spread by visual communication, so that visual barriers around affected groups may help to limit the spread of an outbreak.

In persistent inguinal nose thrusting behaviour, rank was important, as the top ranking pigs were the most most likely to show persistent inguinal nose thrusting. Persistent inguinal nose thrusting may have its origin in udder seeking, exploratory or rooting behaviour, but becomes used mainly by dominant pigs. The behaviour is halted by the pig which received the nose thrusts moving away.

Type
Research Article
Information
Animal Production , Volume 33 , Issue 3 , December 1981 , pp. 325 - 332
Copyright
Copyright © British Society of Animal Science 1981

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References

REFERENCES

Colyer, R. J. 1970. Tail biting in pigs. Agriculture, Lond. 77: 215–218.Google Scholar
Ewbank, R. 1973. Abnormal behaviour and pig nutrition. An unsuccessful attempt to induce tail biting by feeding a high energy, low fibre vegetable protein ration. Br. vet. J. 129: 366–369.CrossRefGoogle ScholarPubMed
Fraser, D. 1978. Behaviour of suckling and early-weaned piglets. Anim. Behav. 26: 22–30.Google Scholar
Fritschen, R. D. 1976. Effect of building arrangement and management on performance and behaviour of G-F pigs. J. Anim. Sci. 42: 1339–1340 (Abstr.).Google Scholar
Gadd, J. 1967. Tail biting. Pig Fmg 15: 57–59.Google Scholar
Helms, H. T. 1961. Tail biting in swine: the ecological approach. Mod. vet. Pract. 41: 56–60.Google Scholar
Jericho, K. W. F. and Church, T. L. 1972. Cannibalism in pigs. Can. vet. J. 13: 156–159.Google ScholarPubMed
Meese, G. B. and Ewbank, R. 1972. A note on instability of the dominance hierarchy and variations in level of aggression within groups of fattening pigs. Anim. Prod. 14: 359–362.Google Scholar
Penny, R. H. C, Field, J. E. and Plush, J. T. 1972. Tail-biting in pigs: a possible sex incidence. Vet. Rec. 91: 482–483.Google Scholar
Penny, R. H. C. and Mullen, P. A. 1976. Earbiting in pigs. Vet. A. 16: 103–110.Google Scholar
Plumlee, M. P., Cline, T. R., Krider, J. L. and Underwood, L. 1976. Space, protein and feeder type effects on finishing swine. J. Anim. Sci. 42: 1339 (Abstr.).Google Scholar
Siegel, S. 1956. Non Parametric Statistics for the Behavioural Sciences, pp. 96–100. McGraw-Hill, Kogakusha, New York.Google Scholar
Signoret, J. P., Baldwin, B. A., Fraser, D. and Hafez, E. S. E. 1975. The behaviour of swine. In The Behaviour of Domestic Animals (ed. Hafez, E.S.E.), 3rded., pp. 295–329. BailliéreTindall, London.Google Scholar
Van Putten, G. 1969. An investigation into tail-biting among fattening pigs. Br. vet. J. 125: 511–517.Google Scholar
Van Putten, G. 1979. Ever been close to a nosey pig? Appl. Anim. Ethol. 5: 298.Google Scholar
Welkowitz, J., Ewen, R. B. and Cohen, J. 1976. Introductory Statistics for the Behavioral Sciences, pp. 254–255. Academic Press, New York.Google Scholar