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Selected highlights from other journals

Shelter staff and veterinarians routinely make subjective dog breed identification based on appearance, but their accuracy regarding pit bull-type breeds in unknown. Due to restrictions or bans on dogs identified as pitbull-types, it is important to identify types correctly. the study aimed to measure agreement among shelter staff in identifying shelter dogs as pit bull-type breeds and compare breed assignments with DNA breed signatures. Four animal shelters in Florida, USA, were recruited for the study. At each shelter, four staff members assessed 30 dogs and assigned a primary breed for each dog based on its physical appearance. the terms American pit bull terrier, American Staffordshire terrier, Staffordshire bull terrier, pit bull and their mixes were included in the study definition of ‘pit bull-type breeds’. Whole blood was collected from each dog and was submitted to a DNA testing laboratory for breed identification. Statistical analysis was then performed to assess agreement among shelter staff for identification of pit bull-type breeds and between shelter staff and DNA breed signatures. the median percentage agreement among staff members in visual identification of pit bull-type dogs ranged from 76 per cent to 83 per cent, indicating only moderate agreement. Although shelter staff collectively identified 60 dogs (52 per cent) across the four shelters as pit bull-type breeds, DNA breed signatures identified only 25 (21 per cent) as being such breeds. twenty of the 25 dogs were correctly identified by at least one of the four staff assessors at each shelter, but the remaining five dogs were not identified as pit bulltype dogs by any of the assessors. the authors conclude that agreement among shelter staff in evaluating the breeds of shelter dogs was only moderate, and that assessment of whether a dog was a pit bull-type breed only moderately agreed with DNA breed profiles.