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Abstract

OBJECTIVE

To identify the safest, most efficient method for hair sample collection from companion dogs among clippers, scissors, and razors and to validate obtained samples with cortisol concentration analysis.

ANIMALS

25 healthy, privately owned dogs.

METHODS

2 hair samples were collected from each dog’s ischiatic region with different implements (scissors, razors, or clippers). The collecting clinician completed a Hair Collection Questionnaire (HCQ) for each sample that compared subjective sample quality, time of collection, restraint needed, and patient experience. Each sample was evaluated by cortisol enzyme immunoassay.

RESULTS

Clippers had higher overall HCQ scores than scissors, and scissors had higher HCQ scores than razors. Collection was faster for clippers than scissors, and scissors were faster than razors. There were no differences in sample quality between scissors and clippers, and sample quality was lower with razors. There was no difference in restraint needed or patient experience. Collection of long hair had higher HCQ scores than collection of medium and short hair. Collection of hair from dogs with an undercoat had higher HCQ scores than collection of hair from dogs without an undercoat. Dog size had no effect on HCQ score. Hair cortisol concentration did not vary between scissors or clippers (P = .111). Hair color and age did not affect hair cortisol concentration (P = .966 and P = .676, respectively).

CLINICAL RELEVANCE

Clippers are recommended for hair sample collection from companion dogs. Scissors are an adequate alternative.

Open access
in American Journal of Veterinary Research

Abstract

OBJECTIVE

The Dog Aging Project End of Life Survey was used to evaluate factors associated with manner of death (euthanasia vs unassisted death), including cause of death (CoD), reason for euthanasia (RFE) if performed, medical symptoms, old age characteristics, and perimortem quality of life (QoL).

SAMPLE

Responses collected between the End of Life Survey launch (January 20, 2021) through December 31, 2021, from 2,570 participants whose dogs died.

METHODS

Response frequencies were described. Associations between manner of death and medical symptoms or old age characteristics were evaluated using logistic regression. Factors associated with RFE were evaluated using multinomial regression. The effects of CoD, age at death, and QoL on the frequency of euthanasia as the manner of death were evaluated using multivariate logistic regression.

RESULTS

2,195 (85.4%) dogs were euthanized, and 375 (14.6%) experienced unassisted death. The most frequent owner-reported CoD was illness/disease (n = 1,495 [58.1%]). The most frequently reported RFE was pain/suffering (n = 1,080 [49.2% of those euthanized]). As age increased, RFE was more likely to be “poor QoL” than any other response. In a multivariate regression including CoD, chronologic age, and QoL, euthanasia as the manner of death was not significantly associated with age.

CLINICAL RELEVANCE

Euthanasia was a common manner of death for dogs in the US. Compared with unassisted death, euthanasia was associated with CoD illness/disease, lower QoL scores, and the presence and number of medical symptoms and old age characteristics. Understanding factors associated with manner of death is important to veterinarians who care for dogs at the end of life.

Free access
in Journal of the American Veterinary Medical Association
Authors , , , , and
Kate E. Creevy , Dog Aging Project Consortium

Abstract

OBJECTIVE

To evaluate the prevalence of and characteristics associated with owner-reported gastrointestinal (GI) disease in companion dogs within the US.

METHODS

Cross-sectional owner-reported survey study of 43,517 dogs enrolled in the DAP between December 26, 2019, and December 31, 2022. Dogs were grouped on the basis of having an owner-reported GI disorder (ORGID) versus not having that ORGID at any point in their history (control group). Multivariable logistic regression analysis was used to estimate the association between dog characteristics and ORGIDs with prevalence ORs (PORs).

RESULTS

Of the 43,517 dogs in the DAP Pack, 30,677 (70%) had no history of ORGIDs and 12,840 (30%) had at least 1 ORGID. The most common ORGIDs included infectious diseases (7,580 of 43,517 [17%]), chronic diarrhea (1,316 [3%]), foreign bodies (1,086 [2%]), anal sac impactions (1,031 [2%]), pancreatitis (857 [2%]), inflammatory GI disease (615 [1%]), chronic vomiting (519 [1%]), and acute hemorrhagic diarrhea syndrome (388 [1%]). Compared to controls, dogs with noninfectious ORGIDs had greater odds of having a history of being castrated (POR, 2.55; 95% CI, 2.29 to 2.85), underweight (POR, 1.58; 95% CI, 1.47 to 1.70), or fed primarily canned food (POR, 2.51; 95% CI, 2.21 to 2.85) or receiving probiotics (POR, 1.69; 95% CI, 1.58 to 1.81) or nonprescription GI medications (POR, 4.06; 95% CI, 3.80 to 4.33).

CONCLUSIONS

Dog owners in the US recruited from the general public reported a high prevalence of GI disorders in their dogs. Infectious and noninfectious ORGIDs were reported with approximately equal frequency.

CLINICAL RELEVANCE

Dogs with ORGIDs were more likely to have a history of receiving probiotics or nonprescription GI medications, which may indicate that owners are changing lifestyle practices to accommodate these GI disorders, although future longitudinal research is needed.

Full access
in Journal of the American Veterinary Medical Association

Abstract

Objective—To determine the effectiveness of using a disinfectant mat filled with a peroxygen compound to prevent mechanical transmission of bacteria via contaminated footwear between the food animal ward and common breezeway of a veterinary teaching hospital.

Design—Observational study.

Sample Population—Shoe soles of individuals entering and exiting from the ward.

Procedures—A mat filled with peroxygen disinfectant was placed at the entrance to the food animal ward, and participants wiped each shoe twice on the mat surface (n = 16) or walked on the mat surface but did not wipe their shoes (17) before entering and exiting from the ward. Swab specimens were collected from the shoe soles of participants before and after mat use and submitted for bacterial culture.

Results—For both study days, as participants entered the ward, median number of aerobic bacteria isolated from shoe swab specimens collected prior to use of the disinfectant mat was not significantly different from median number isolated after use of the disinfectant mat. However, as participants exited the ward, median number of aerobic bacteria isolated from shoe swab specimens collected prior to use of the disinfectant mat was significantly higher than median number isolated after use of the disinfectant mat.

Conclusions and Clinical Relevance—Results suggest that placing a mat filled with a peroxygen disinfectant at the exit from the food animal ward of a veterinary teaching hospital may help reduce mechanical transmission of bacteria on the footwear of individuals leaving the ward.

Full access
in Journal of the American Veterinary Medical Association