Month: September 2011

Essay: Decreasing stress, aggression and injury in pigs housed in intensive production systems

Introduction Animal welfare issues are inherent in any intensive production system that restricts animals to an environment incompatible with their behavioural needs (D’Eath & Turner, 2009). For example, intensive husbandry practices, such as a mix of pigs in a confined space, can result in significant stress reactions and displays of […]

Transmissible cancers in dogs and Tasmanian devils

The Tasmanian devil, the world’s largest marsupial carnivore, is facing possible extinction in the wild due to a transmissible facial cancer known as Tasmanian devil facial tumour disease (DFTD) (Figure 1). DFTD is spread when living cancer cells are spread between animals by biting. In DFTD, the living cancer cell […]