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Performance and meat quality of organically versus conventionally fed and housed pigs from weaning till slaughtering

Author:
Millet, S., Raes, K., Broeck, W. van den, Smet, S. de, Janssens, G.P.J.
Source:
Meat science 2005 v.69 no.2 pp. 335-341
ISSN:
0309-1740
Subject:
swine, crossbreds, weanlings, swine housing, organic production, swine feeding, feed intake, animal growth, feed conversion, slaughter weight, pig carcasses, carcass characteristics, meat quality, carcass composition
Abstract:
The effects of organic nutrition on growth performance, meat and carcass traits in either a conventional or an organic housing unit from weaning till slaughtering were evaluated in terminal crossbreeds of a paternal line and a maternal 3-way crossbreed of Seghers hybrid. All pigs were reared in a conventional way from birth till weaning (4 weeks). One week after weaning they were moved to either a conventional or an organic barn. Eight pens of 4 pigs (2 barrows and 2 gilts) were held in both housing types. The study started when the pigs reached the age of 10 weeks. Half of the groups in each barn received a conventional diet, and the other half received an organic diet. Both feeds were isocaloric, neither of them contained antibiotic growth promoters. Three-phase feeding was applied. The organic housing led to a higher feed intake throughout the experiment (P < 0.001), which resulted in a faster growth (P < 0.001) but a lower meat percentage (P < 0.05). Organic nutrition did not affect growth performance and carcass quality. Neither organic nutrition nor housing led to relevant differences in meat quality traits.
Agid:
2723620