Congenital abnormalities in immature dogs from a pet store: 253 cases (1987-1988)

Randall P. Ruble From the Sun Valley Animal Hospital, 1130 Contra Costa Blvd, Concord, CA 94523 (Ruble), and the Department of Epidemiology and Preventive Medicine, School of Veterinary Medicine, University of California, Davis, CA 95616 (Ruble, Hird).

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David W. Hird From the Sun Valley Animal Hospital, 1130 Contra Costa Blvd, Concord, CA 94523 (Ruble), and the Department of Epidemiology and Preventive Medicine, School of Veterinary Medicine, University of California, Davis, CA 95616 (Ruble, Hird).

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Summary:

In a pet store, 6- to 18-week-old dogs were examined for congenital abnormalities. Of those pups offered for sale over a 2-year period (1987 and 1988), 15% (253/1,679) had at least 1 congenital defect, and 1.5% (26/1,679) had multiple congenital abnormalities. Defects observed and their respective rates were patellar luxation, 7.2% (121/1,679); cardiac abnormalities characterized by murmurs, 0.7% (11/1,679); palpebral abnormalities, 3.0% (50/1,679); inguinal hernia, 1.3% (22/1,679); umbilical hernia, 0.6% (10/1,679); faciodental malformations, 1.3% (21/1,679); and cryptorchidism, 2.6% (44/1,679). Rates of congenital abnormalities in pups from this study were higher than published rates in adult dogs.

Summary:

In a pet store, 6- to 18-week-old dogs were examined for congenital abnormalities. Of those pups offered for sale over a 2-year period (1987 and 1988), 15% (253/1,679) had at least 1 congenital defect, and 1.5% (26/1,679) had multiple congenital abnormalities. Defects observed and their respective rates were patellar luxation, 7.2% (121/1,679); cardiac abnormalities characterized by murmurs, 0.7% (11/1,679); palpebral abnormalities, 3.0% (50/1,679); inguinal hernia, 1.3% (22/1,679); umbilical hernia, 0.6% (10/1,679); faciodental malformations, 1.3% (21/1,679); and cryptorchidism, 2.6% (44/1,679). Rates of congenital abnormalities in pups from this study were higher than published rates in adult dogs.

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