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substantially recognized in neutered female dogs. It is suspected that urinary incontinence in dogs may have a similar pathophysiologic mechanism. A connection to hormonal deficiency in postmenopausal women and neutered female dogs has long been suspected, but

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in American Journal of Veterinary Research

the number of hours and sessions utilizing the provided spay and neuter simulation models and hours of previous spay and neuter experience under the supervision of a licensed veterinarian. The study was divided into 2 phases. Phase I encompassed a

Open access
in American Journal of Veterinary Research

Abstract

Objective—To gather data on cats living in US households, document their neuter status, and identify demographic characteristics associated with neuter status.

Design—Cross-sectional, random-digit-dial telephone survey.

Sample Population—1,205 adults in the continental United States contacted between April 24, 2007, and May 14, 2007.

Procedures—Information was gathered by means of computer-assisted telephone interviews. Multivariate logit analysis was used to identify demographic characteristics significantly associated with neuter status.

Results—383 of 1,205 (31.8%) respondents reported having at least 1 cat at the time of the survey, yielding an estimated population of 82.4 million cats living in 36.8 million US households. Overall, 680 of 850 (80.0%) cats were reportedly neutered. Of the 371 neutered female cats, 303 (81.7%) had reportedly been neutered before having any litters. Proportion of cats that were neutered differed significantly across annual family income groups, with 96.2% (231/240) of cats in households with annual family incomes ≥ $75,000 being neutered, 90.7% (231/254) of cats in households with annual family incomes between $35,000 and $74,999 being neutered, and only 51.4% (123/239) of cats in households with annual family incomes < $35,000 being neutered.

Conclusions and Clinical Relevance—Findings suggested that a high percentage (80.0%) of cats living in households in the United States were neutered and that annual family income was the strongest predictor of whether cats in the household were neutered. The present study did not attempt to address stray and feral cats, which represent a substantial but unknown percentage of the total US cat population.

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in Journal of the American Veterinary Medical Association

Summary

Concentrations of luteinizing hormone (lh) and follicle-stimulating hormone (fsh) were measured in serum samples obtained from 100 dogs. Groups (n = 25/group) consisted of sexually intact and ovariohysterectomized bitches and sexually intact and castrated male dogs. Mean (± sd) concentrations of lh in the serum of sexually intact and ovariohysterectomized bitches were 1.2 (± 0.9) and 28.7 (± 25.8) ng/ml, respectively. Mean concentrations of fsh in the serum of sexually intact and ovariohysterectomized bitches were 98 (± 49) and 1,219 (± 763) ng/ml, respectively. Mean concentrations of lh in the serum of sexually intact and castrated male dogs were 6.0 (± 5.2) and 17.1 (± 9.9) ng/ml, respectively. Mean concentrations of fsh in the serum of sexually intact and castrated male dogs were 89 (± 28) and 858 (± 674) ng/ml, respectively. In addition to history, physical examination results, and other laboratory values, the measurement of serum gonadotropin concentrations may aid in determining whether dogs have been neutered.

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in American Journal of Veterinary Research

to have frequent aggression. There was a significant difference between single-pig and multipig households with respect to aggression on 1 or more occasions ( P < 0.001) and frequent aggression ( P = 0.01). When considered by sex and neutering

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in Journal of the American Veterinary Medical Association

noted in only 1 of those 4 eyes at the time glaucoma was diagnosed. The immediately antecedent cause of glaucoma could not be adequately determined in 6 (3.8%) eyes with secondary glaucoma. No significant effects of sex and neuter status, age, or

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in Journal of the American Veterinary Medical Association

absorbable suture. 1 In high-quality, high-volume spay and neuter programs, a commonly used technique for castration of pediatric and juvenile dogs is one in which a single scrotal incision is made and both spermatic cords are autoligated in a manner similar

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in Journal of the American Veterinary Medical Association

spreadsheet software. b Data collection Information collected from medical records of cases and controls included date of examination at CSU-VTH, date of birth, sex and neuter status, body weight, breed, and whether TPLO had been performed previously

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in Journal of the American Veterinary Medical Association

acids. It was interesting that there were no significant differences between spayed females and neutered males, but there were differences between sexually intact males and females. These results suggest that hormonal differences between the sexes are

Full access
in American Journal of Veterinary Research