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Mating between relatives often results in negative fitness consequences or inbreeding depression. However, the expression of inbreeding in populations of wild cooperative mammals and the effects of environmental, maternal and social factors on inbreeding depression in these systems are currently not well understood. This study uses pedigree-based inbreeding… (More)
Pathological lesions associated with Mycobacterium bovis infection (bovine tuberculosis; bTB) in free-living meerkats (Suricata suricatta) in the Kalahari Desert of South Africa are described. The pathology of bTB in meerkats was determined through detailed post-mortem examinations of 57 animals (52 meerkats showing clinical signs of bTB, and five not… (More)
In a population of 302,000, in a Midlands district of England, the estimated prevalence of idiopathic Parkinson's disease (IPD) increased from 108 to 121 per 100,000 from 1982 to 1992. Individual general practice prevalence ranged quite widely. Webster ratings were significantly more often scored in 1992, but at a lower level of severity, suggesting earlier… (More)
The study of a population of 208,000 in a Midlands district of England has shown the prevalence of idiopathic Parkinson's disease to be 108.4 per 100,000. This is comparable with past studies in Carlisle, England, Rochester, Minnesota, and South-West Finland. Parkinsonism associated with cerebrovascular disease is evidently recognised and differentiated by… (More)
The effect of a six-week closure of an active day hospital for the elderly was studied. The ill-effects were not marked and the implications are discussed.