Housing and Welfare in Laboratory Rats: Welfare Implications of Isolation and Social Contact Among Caged Males

Male laboratory rats (Rattus norvegicus; Wistar, Alderley Park) were housed as singletons or groups of three in units of two joined, but divided cages. Units were divided by different types of barrier that allowed different degrees of social contact across the barrier. Singletons were established either with another singleton as a neighbour on the other […]

Housing and Welfare in Laboratory Rats: The Welfare Implications of Social Isolation and Social Contact Among Females

Female laboratory rats (Rattus norvegicus: Wistar, Alderley Park) were housed as singletons or groups of three in units of two cages. Units were divided by different types of barrier which allowed varying degrees of social contact across the barrier. Singletons were established either with another singleton on the other side of the barrier or with […]

Atrioventricular valvular insufficiency and congestive heart failure in a carpet python

Right atrioventricular valve insufficiency and bilateral congestive heart failure were identified in a carpet python (More -lia spilota variegata ) with the aid of colour Doppler echocardiography, electrocardiography and radiography . The snake failed to respond to diuretic therapy and was euthanased. Based on this case, it appears that bilateral congestive fail-ure is feasible in […]