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 itself is the infectious agent […]

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The effect of body weight on some welfare indicators in feedlot cattle in a hot environment

Heat stress has important effects on the welfare of livestock. The effects of heat stress in cattle include changes in biological functions and behaviors. The aim of this study from the Department of Animal Science, Uludag University, Bursa, Turkey, was to investigate the behavioral differences between light and heavy feedlot cattle reared in a hot […]

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New findings regarding the stereotypic behaviour of “regurgitation and reingestion” in captive western lowland gorillas

Introduction “Regurgitation and reingestion” or “R/R” is defined as a retrograde movement of foodstuff from the oesophagus or stomach to the mouth, hand or floor, and its subsequent ingestion (Lukas, 1999). R/R is not part of a gorilla’s normal feeding mechanism hence it is regarded as an anomalous behaviour, indicating sub-optimal welfare in captive gorillas […]

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