The exchange of services such as allo-grooming, allo-preening, food tolerance and agonistic support has been observed in a range of species. Two proximate mechanisms have been proposed to explain the exchanges of services in animals...
Due to the despotic nature of rhesus macaques (Macaca mulatta) and their frequent use in biomedical research, it is important to understand the impact that standard housing practices can have on individuals of this species...
Minimizing the number of animals in regulatory toxicity studies while achieving study objectives to support the development of future medicines contributes to good scientific and ethical practices. Recent advances in technology have enabled the development...
Full body repetitive behaviors, known as motor stereotypic behaviors (MSBs), are one of the most commonly seen abnormal behaviors in captive non-human primates, and are frequently used as a behavioral measure of well-being. The main...
Proactive efforts to socially house laboratory animals are a contemporary, important focus for enhancing animal welfare. Jacketing cynomolgus monkeys has been traditionally considered an exclusionary criterion for social housing based on unsubstantiated concerns that study...
The ability to interpret facial expressions of others is one of the more important abilities possessed by humans. However, is it possible for humans to interpret the facial expressions of another species of primate accurately...
At Charles River, we are committed to ensuring all animals have the highest level of care and welfare. At our facility, the typical study design requires primates to be housed in groups of 3 (or...