The effect of removing animals for slaughter on the behaviour of the remaining male and female pigs in the pen.

摘要: The study was performed to investigate changes in the behaviour of male and female pigs when one or more were removed from pen sent slaughter. Twelve pens included, half them housed six each, while other each. Skin lesions recorded on two occasions, four days before after animals per On first occasion fought average about twice as often females (2.6 vs. 1.0 animal hour) had many skin (6.7 3.2). second occasion, frequency fighting among both males (6.8) (1.8) increased, however, than females. number not significantly higher occasion. In group there also a tendency towards increased mounting (from 2.3 3.3 hour). shows that very common practice slaughtering over results an increase unwanted behaviour. effect is pronounced groups entire