The common marmoset (Callithrix jacchus) is a small, nonendangered New World primate
that is native to Brazil and has been used extensively in biomedical research. Historically the …

Anxiety can be broadly described as a psychological state in which normally innocuous
environmental stimuli trigger negative emotional expectations. Human anxiety disorders are …

Social relationship is a concept that links the observable social interactions between group
members to the inferred group social system. Social relationships allow animals (as well as …

Training nonhuman primates to cooperate with routine scientific, husbandry, and veterinary
procedures is recommended as good practice by many legislative and professional …

Using positive reinforcement, J. McKinley trained 12 common marmosets (Callithrix jacchus)
to provide urine samples on request. The study then exposed the marmosets to mildly …

Non-human primates exhibit similar physiological and behavioral responses to anxiety-
inducing situations as humans and have, in fact, been successfully employed in both …

Conflict of interest between group members occurs in many contexts. Most common contexts
are competition for access to limited resources, such as mates or food (Darwin, 1871; …

It is often argued that increasing the amount of control that animals have over various
aspects of their environment has a positive effect on their welfare, despite limited empirical …

Captivity is an extreme non-natural environment for primates. The success of a breeding
colony depends of management and veterinarian procedures which must rely on the …

The common marmoset, Callithrix jacchus, is the smallest nonhuman primate commonly
used in biomedical research. Marmoset characteristics and propensities have enabled them …