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Fish Behaviour And Welfare, Lynne U. Sneddon

Ethology Collection

Fish are farmed intensively in aquaculture which is an economic necessity to provide large quantities for the food industry yet many species’ normal behaviours may be impaired by the nature of intensive aquaculture. Recommendations have suggested that for optimum welfare, animals should be able to express their natural suite of behaviours. Confining large migratory species such as salmonids to relatively small tanks or cages means they are unable to perform the extensive migrations performed by their wild counterparts so are these fish frustrated? When considering why salmonids migrate, their motivation is to find food yet if they are well fed …

The Behavior Of Confined Calves Raised For Veal: Are These Animals Distressed?, M. Kiley-Worthington

Ethology Collection

The behavior of 12 calves confined in crates was recorded at 1-minute intervals for 12-hour periods. These recordings were made at fortnightly intervals from approximately 2 to 16 weeks of age. In all, 864 hours of observations were recorded.

The activities that were performed and the amount of time spent doing each are outlined. Circadian rhythms were controlled largely by feeding time, although there was a difference between diurnal and nocturnal behavior. Individual calves vaned tn how they adapted to the restricted environment. Individual personality profiles and data on the ontogeny of behavior under these conditions are presented.

At 10 …