The growth and carcass and meat characteristics of pigs raised in a free-range or conventional housing system

South African Journal of Animal Science

Volumn 33, Issue 3, 2003, Pages 166-175

  Hoffman, L C ^a   Styger, E ^a   Muller, M ^a   Brand, T S ^a,b  

^a STELLENBOSCH UNIVERSITY   (South Africa)

^b Elsenburg Agricultural Centre   (South Africa)

Author keywords

Carcass yield; Chemical composition; Free range; Growth performance; Housing systems; Physical quality

Indexed keywords

FRAXINUS; PIERIS BRASSICAE; SUS SCROFA;

EID: 0348218974     PISSN: 03751589     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (28)

1. AOAC, 1995. Official method of analysis. (16th ed.). Association of Official Analytical Chemists, Inc. Arlington, Virginai, USA:
2. Barton Gade, P.A., 1987. Meat and fat quality in boars, castrates and gilts. Livest. Prod. Sci. 16, 187-196.
3. th Int. Conf. Meat Science and Technology, Copenhagen. Denmark, pp. 1002-1005.
4. Barton Gade, P.A., 2002. Welfare of animal production in intensive and organic systems with special reference to Danish organic pig production. Meat Sci. 62, 353-358.
5. Beattie, V.E., O'Connell, N.E. & Moss, B.W., 2000. Influence of environmental enrichment on the behaviour, performance and meat quality of domestic pigs. Livest. Prod. Sci. 65, 71-79.
6. Corino, C., Magni, S., Pagliarini, E., Rossi, R., Pastorelli, G. & Chiesa, L.M., 2002. Effects of dietary fats on meat quality and sensory characteristics of heavy pig loins. Meat Sci. 60, 1-8.
7. Dworschák, E., Barna, E., Gergely, A., Czuczy, P., Hóvári, J., Kontraszti, M., Gaál, Ö., Radnóti, L. & Bíró, G., 1995. Comparison of some components of pigs kept in natural (Free-range) and Large-scale conditions. Meat Sci. 39, 79-86.
8. Enfält, A.C., Lundström, K., Hansson, I., Lundeheim, H. & Nyström, P.E., 1997. Effects of outdoor housing and sire breed (Duroc or Yorkshire) on carcass composition and sensory and technological meat quality. Meat Sci. 45, 1-15.
9. Fisher, P., Mellert, F.D. & Hoffman, L.C., 2000. Halothane genotype and pork quality. 1. Carcass and meat quality characteristics of three halothane genotypes. Meat Sci. 54, 97-105.
10. Gentry, J.G., Miller, M.F. & McGlone, J.J., 2001. Alternative production systems: influence on pig growth and pork quality. Second International Virtual Conference on Pork Quality, pp. 1-7.
11. Government Notice No. R 1748, 26 June 1992, Regulation Gazette No. 4890. Government Gazette No. 14060. Vol. 324, p. 8.
12. Hemsworth, P.H., Barnett, J.L., Hofmeyr, C., Coleman, G.J., Dowling, S. & Boyce, J., 2002. The effects of fear of humans and pre-slaughter handling on the meat quality of pigs. Austr. J. Agric. Res. 53, 493-501.
13. Hoffman, L.C., Vosloo, W.A. & Mellett, F.D., 1991. Multiple regression equations for the prediction of pig carcass lean and fat yields with practical measurable independent variables. S. Afr. J. Fd. Sci. Nutr. 3(4), 77-80.
14. Honikel, K.O., 1998. Reference methods for the assessment of physical characteristics of meat. Meat Sci. 49, 447-457.
15. Kinsella, J.E., Lokesh, B. & Stone, R.A., 1990. Dietary n-3 polyunsaturated fatty acids and amelioration of cardiovascular disease: possible mechanisms. Am. J. Clin. Nutr. 52, 1-28.
16. Lee, C.M., Trevino, B. & Chaiyawat, M., 1996. A simple and rapid solvent extraction method for determining total lipids in fish tissue. J. AOAC Int. 79, 487-492.
17. Mahan, L.K. & Escott-Stump, S., 2000. Krause's food, nutrition and diet therapy. (10th ed.). Pennsylvania: W. B. Saunders Company.
18. Morrison, W.R. & Smith, M.L., 1964. Preparation of fatty acid methyl esters and dimethylacetals from lipids with boron fluoride-methanol. J. Lipid Res. 5, 600-602.
19. Nilzén, V., Babol, J., Dutta, P.C., Lundeheim, N., Enfält, A.-C. & Lundström, K., 2001. Free-range housing of pigs with access to pasture grazing - effect on fatty acid composition and lipid oxidation products. Meat Sci. 58, 267-275.
20. Pinta, M., 1982. Modern methods for trace element analysis. (3rd ed.). Ann Arbor, MI: Ann Arbor Science.
21. SAS, 1990. Statistical Analysis Systems user's guide, Version 8.1. (4th ed.). SAS Institute, Inc., Cary, North Carolina, USA.
22. Sather, A.P., Jones, S.D.M., Schaefer, A.L., Colyn, J. & Robertson, W.M., 1997. Feedlot performance, carcass composition and meat quality of free-range housed pigs. Can. J. Anim. Sci. 77, 225-232.
23. Shapiro, S.S. & Wilk, M.S., 1965. An analysis of variance test for normality. Biometrika 52, 591-611.
24. Van der Wal, P.G., Mateman, G., De Vries, A.W., Vonder, G.M.A., Smulders, F.J.M., Geesink, G.H. & Engel, B., 1993. 'Scharrel' (Free-range) pigs: Carcass composition, meat quality and taste-panel studies. Meat Sci. 34, 27-37.
25. Warriss, P.D., Kestin, S.C. & Robinson, J.M., 1983. A note on the influence of housing environment on meat quality in pigs. Meat Sci. 9, 271-279.
26. Watson, C., 1994. Official and standardized methods of analysis (3rd ed.). The Royal Society of Chemistry, Cambridge.
27. Windhorst, H.W., 2001. Global patterns of pork production and pork trade. Second International Virtual Conference on Pork Quality, pp. 1-11.
28. Wiseman, M.J., 1997. Fat and fatty acids in relation to cardiovascular disease: an overview. Br. J. Nutr. 78 (Suppl 1), S3-S4.