Effect of on farm mixing and slaughter strategy on behaviour, welfare and productivity in Duroc finished entire male pigs
作者： Emma Fàbrega , Xavier Puigvert , Joaquim Soler , Joan Tibau , Antoni Dalmau
DOI: 10.1016/J.APPLANIM.2012.11.006
关键词:
摘要: Abstract Animal welfare may be hampered due to a higher incidence of aggressive and sexual behaviours in entire males compared castrated pigs. The aim this study was investigate the effect mixing strategies on behaviour physiological indicators performance. Ninety-six male pigs were reared following either wean finish strategy which no allowed after 14 days age (WF, 48 pigs) or conventional piglets randomly mixed when entered transition fattening pens at 72 (MP, pigs). Pigs allocated groups 12 8 (4 WF 4 MP pens). Two per housing system slaughtered by split marketing (SM) three other two penwise (PW) individual pen mean body weight around 120 kg, respectively. Saliva samples all collected 75, 105 150 skin lesions evaluated 90, 105, 125 age. Three more saliva 2 evaluations performed from SM treatment that remained each slaughter batch. Behaviour recorded direct video recording six times (between 85 155 age). Time budget assessed scan sampling every 10 min, whereas focal also record events mounts attempts mount 8 min between scans. individually weighed loin backfat measured weeks, feed intake automatically during period (73–155 Carcass assessed. No significant differences time nor agonistic performance data observed. Cortisol levels did not significantly differ pigs, but increase over ( P
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