British Cavy Council British Cavy Council The British Cavy Council is the governing body in the United Kingdom for national, regional, and local cavy (guinea pig) clubs, and also for the wide range of 'breed clubs' which exist on a national basis to further the interests of particular cavy breeds, and to provide a forum for those with an interest in the breed concerned. The Council is not itself a club or association - it is not possible, for example, to be a subscribing member, as it has only executive members. Most cavy 'fanciers' (people interested in breeding and showing purebred, or pedigree,
Rock cavy pile, she indirectly chooses the builder as her mate. Females weigh 700-800 g and give birth to one or two young only, but several litters per year are common. The gestation period averages 75 days. The newborn cavies weigh 90 g. The placenta for a rock cavy is similar to other hystricomorph rodents. They have several lobes that are lined with blood vessels and undergo a counter-current blood flow. There are blood vessels running from the mother along the placenta and then vessels running from the fetus back over the mothers vessels. This allows for a better flow of oxygen