Housing systems and pig performance - review

VÁCLAVKOVÁ, Eva a BEČKOVÁ, Ružena. Housing systems and pig performance - review. Research in Pig Breeding, 2008, roč. 2(1), s. 35-39. ISSN 1802-7547.
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The main factor influencing pork quality, especially fatty acid content, is nutrition. Components in feeding mixtures (linseed, olive, rapeseed, sunflower, soy oil) can change fatty acid profile in meat without changing carcass traits. But the sources offat in pig diet negatively affect technological quality and oxidative stability of meat. The process of oxidation can be positively influenced by vitamin E supplement. Genetic factors and fatness can change fatty acid profile but not so significantly. In the outdoor production system, the animals can behave naturally and their health status is better. The system is less dependent on investment and capital. However, the adverse effect of climatic conditions is possible, so performance of herds can be more variable among years. Some feeds (for example grass, oil plants) can affect fatty acid content irrespective of housing system.

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