Guinea pig adjunct to the American Rabbit Breeders' Association, is the governing body in the United States and Canada. The British Cavy Council governs cavy clubs in the United Kingdom. Similar organizations exist in Australia (Australian National Cavy Council) and New Zealand (New Zealand Cavy Council). Each club publishes its own standard of perfection and determines which breeds are eligible for showing. Allergic symptoms, including rhinitis, conjunctivitis, and asthma, have been documented in laboratory animal workers who come into contact with guinea pigs. Allergic reactions following direct exposure to guinea pigs in domestic settings have also been reported. Two major guinea pig
Muenster yellow-toothed cavy social play with their offspring and groom them rather than being aggressive. When mothers of this species and their pups are put into a strange environment, the presence of the mothers mitigates increases in blood cortisol levels in their pups; however, this is not observed when the pups are moved together with other mothers that are not their own. "G. monasteriensis" is both sexually and socially monogamous. Both males and females of "G. monasteriensis" defend their territories and care for their pups. Muenster yellow-toothed cavy The Muenster yellow-toothed cavy (Galea monasteriensis) is a species of rodent in the family Caviidae.