Hostname: page-component-78c5997874-mlc7c Total loading time: 0 Render date: 2024-11-13T07:06:27.208Z Has data issue: false hasContentIssue false

Meat quality in pigs reared in groups kept as a unit during the fattening period and slaughter

Published online by Cambridge University Press:  02 September 2010

A. Karlsson
Affiliation:
Department of Food Science, Swedish University of Agricultural Sciences, S–750 07 Uppsala, Sweden
K. Lundström
Affiliation:
Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, S–750 07 Uppsala, Sweden
Get access

Abstract

Meat quality was studied in pigs reared in groups kept as units during the fattening period and slaughter (unmixed). The results were compared with conventionally reared pigs, which were mixed during the fattening period, at transport to the abattoir and at lairage (mixed). It is concluded that the unmixed pigs in this study had a better meat quality measured as pH,, pHu, weight loss and also fewer skin lacerations compared with the mixed groups (i.e. less development of pale, soft exudative (PSE) and dark, firm dry (DFD) in the unmixed animals). There were no significant differences in meat colour or in lean content between the unmixed and mixed pigs.

Type
Research Article
Copyright
Copyright © British Society of Animal Science 1992

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Andersson, I. 1987. [The influence of preslaughter handling on pig meat quality.] M.Sc. Thesis, Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences.Google Scholar
Arnone, M. and Dantzer, R. 1980. Does frustration induce aggression in pigs? Applied Animal Ethology 6: 351362.CrossRefGoogle Scholar
Barton-Gade, P.-A. 1979. Some experience on measuring the meat quality of pig carcasses. Acta Agrkulturae Scandinavica, suppl. 21, pp. 6170.Google Scholar
Bryant, M. J. and Ewbank, R. 1972. Effects of stocking and group size upon agonistic behaviour in grouping growing pigs. British Veterinary Journal 128: 6470.CrossRefGoogle ScholarPubMed
Charlick, R. H., Livingstone, H. R., McNair, A. and Sainsbury, D. W. B. 1968. The housing of pigs in one pen from birth to slaughter. Experimental farm buildings report National Institute of Agricultural Engineering, Silsoe.Google Scholar
Danielsson, D.-A. 1989. [Effects of unmixed pig-groups during the growing-finishing period and slaughter.] M.Sc. thesis, Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences.Google Scholar
Dantzer, R. 1970. Rententissement du comportement social sur le gain de poids chez des pore en croissance. I. Comportement social, temps d'access a l'auge et gain de poids. Annales de Recherches Veterinaires 1: 107116.Google Scholar
Friend, T. H., Knabe, D. A. and Tanksley, T. D. 1983. Behaviour and performance of pigs grouped by three different methods at weaning. Journal of Animal Science 57: 14061411.CrossRefGoogle ScholarPubMed
Graves, H. B., Graves, K. L. and Sherritt, G. W. 1978. Social behavior and growth of pigs following mixing during the growing-finishing period. Applied Animal Ethiology 4: 169180.CrossRefGoogle Scholar
Guise, H. J. and Penny, R. H. C. 1989. Factors influencing the welfare and carcass and meat quality of pigs. 2. Mixing unfamiliar pigs. Animal Production 49: 517521.Google Scholar
Hansson, I., Lundstrom, K. and Bjarstorp, G. 1986. Simultaneous grading and meat quality measurements by the Hennessy Grading System. Proceedings of the European meeting of meat research workers, Ghent, Belgium, vol. 32, 471475.Google Scholar
Jensen, A. H., Carlisle, G. R., Harmon, B. G. and Baker, D. H. 1969. Management and housing studies with growing-finishing swine. Department of Animal Science, University of Illinois, As-6546.b.Google Scholar
MacDougall, D. B. and Jones, S. J. 1981. Translucency and colour defects of dark-cutting meat and their detection., In The problem of dark cutting in beef (ed. Hood, D. E. and Tarrant, P. V.), pp. 328339. Martinus Nijhoff, The Hague.CrossRefGoogle Scholar
Madsen, A., Keller Nielsen, E. and Sorgaard, Aa. 1978. [The environmental influence on the health status in slaughter pigs.] Beretning fra Statens Husdyrbrugsforsok no 472, pp. 44.Google Scholar
McGlone, J. L., Kelley, K. W. and Gaskins, C. T. 1981. Lithium and porcine aggression, journal of Animal Science 51: 447455.Google Scholar
Meese, G. B. and Ewbank, R. 1973. The establishment and nature of the dominance hierarchy in the domesticated pig. Animal Behaviour. 21: 326334.CrossRefGoogle Scholar
Moss, B. W. and Trimble, D. 1988a. Effect of on farm mixing and transport conditions on carcase quality of bacon weight pigs. Record of Agricultural Research 36: 95100.Google Scholar
Moss, B. W. and Trimble, D. 1988b. A study of the incidence of blemishes on bacon carcases in relation to carcase classification, sex and lairage conditions. Record of Agricultural Research 36: 101107.Google Scholar
Offer, G., Purslow, P., Almond, R., Cousins, T., Elsey, J., Lewis, G., Parsons, N. and Sharp, A. 1988. Myofibrils and meat quality. Proceedings of the 34th International Congress of Meat Science and Technology 34: 161168.Google Scholar
Olsson, O. 1986. [Development of transport and handling systems (stable — slaughter) for slaughter pigs.] Department of Farm Buildings, Lund, Sweden.Google Scholar
Rundgren, M. and Lofquist, I. 1989. Effects on performance and behaviour of mixing 20-kg pigs fed individually. Animal Production. 49: 311315.Google Scholar
Scheper, J. 1971. Research to determine the limits of normal and aberran t meat quality (PSE and DFD) in pork. Proceedings of the 2nd international symposium on condition and meat quality of pigs, Zeist, pp. 271277.Google Scholar
Sherritt, G. W., Graves, H. B., Gobble, J. L. and Hazlett, V. E. 1974. Effects of mixing pigs during the growing-finishing period. Journal of Animal Science 39: 834837.CrossRefGoogle Scholar
Statistical Analysis Systems Institute. 1985. SAS user's guide: statistics. Version 5 ed. SAS Institute Inc., Cary, NC.Google Scholar
Tarrant, P. V. 1989. The effect of handling, transport, slaughter and chilling on meat qualit y and yield in pigs — a review. Irish Journal of Food Science and Technology 13: 79107.Google Scholar
Warriss, P. D. 1984. The incidence of carcase damage in slaughter pigs. Proceedings of the European meeting of meat research workers Bristol, vol. 30, pp. 1718.Google Scholar
Warriss, P. D. and Brown, S. N. 1985. The physiological responses to fighting in pigs an d the consequences for meat quality. Journal of the Science of Food and Agriculture 36: 8792.CrossRefGoogle Scholar