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- Author or Editor: U. Andrew Luescher x
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Objective—
To determine the effect that feeding diets containing a low (17%), medium (25%), or high (32%) protein content would have on behavior in dogs.
Design—
Prospective, controlled study.
Animals—
12 dogs with dominance aggression, 12 dogs with hyperactivity, 12 dogs with territorial aggression, and 14 control dogs without behavioral problems.
Procedure—
Dogs were fed each of the diets for a 2-week period, and owners were instructed to score their dogs' behavior on a daily basis.
Results—
Behavior of the dogs with dominance aggression, dogs with hyperactivity, and control dogs was unchanged by the dietary manipulations. Territorial aggression was significantly reduced when dogs were fed the low- or medium-protein diet, compared with territorial aggression when fed the high-protein diet. Post hoc analysis indicated that this effect was attributable to a marked reduction in aggression in a subset of the group (n = 7) in which territorial aggression was a result of fear.
Clinical Implications—
Results of this study suggest that a reduction in dietary protein content is not generally useful in the treatment of behavior problems in dogs, but may be appropriate in dogs with territorial aggression that is a result of fear. (J Am Vet Med Assoc 1996;208:376-379)
Objective
To assess the efficacy of clomipramine for treatment of canine compulsive disorder (CCD).
Design
Randomized, placebo-controlled, double-blind, balanced AB-BA crossover clinical study
Animals
51 dogs with CCD.
Procedures
Dogs were given clomipramine (3 mg/kg [1.3 mg/lb] of body weight, PO, q 12 h) for 4 weeks and placebo for 4 weeks. At the end of each treatment each owner rated the severity of their dog's behavior, using 2 validated rating scales. Statistical analysis was made by ordinal regression. Compliance, adverse effects, and the effectiveness of masking were also assessed. Each dog's behavior was reevaluated 1 to 2 years after completing the study.
Results
Behaviors included spinning (n = 17) and self-mutilation by licking (acral lick dermatitis, 12). Both rating scales demonstrated a treatment effect. Compliance was satisfactory, and masking was effective. Sedation and reduced appetite were reported more commonly when dogs were given clomipramine than when they were given placebo. Forty-five dogs available for follow-up evaluation still had their behaviors; 6 dogs were lost to follow-up evaluation.
Clinical Implications
Results suggest that clomipramine was effective in dogs with CCD and was not associated with serious adverse effects. However, treatment for 4 weeks was not curative. Behavior modification is likely to be necessary to manage CCD. (J Am Vet Med Assoc 1998;213:1760–1766)
Abstract
Objective—To evaluate efficacy of fluoxetine hydrochloride for treatment of compulsive disorders in dogs.
Design—Randomized, controlled clinical trial.
Animals—63 dogs with compulsive disorders.
Procedures—The diagnosis was confirmed on the basis of analysis of videotapes of the dogs' behavior by 3 veterinary behaviorists, results of physical examination and clinicopathologic testing, and, when necessary, telephone interviews with owners. Dogs were randomly assigned to treatment with fluoxetine (1 to 2 mg/kg [0.45 to 0.9 mg/lb], PO, q 24 h) or a placebo. Owners did not receive any advice regarding behavioral or environmental modifications. Severity of episodes was measured through telephone interviews every 2 weeks and on the basis of a daily diary kept by each owner.
Results—42 days after the initiation of treatment, the proportion of dogs with a decrease in severity of the compulsive disorder, as reported by the owners, was significantly higher for dogs treated with fluoxetine than for control dogs, and dogs treated with fluoxetine were significantly more likely (odds ratio, 8.7) to have a decrease in severity of the compulsive disorder. However, mean number and duration of compulsive episodes, as determined from daily diary entries, did not differ significantly between groups. The most common adverse effects were decreased appetite and mild lethargy.
Conclusions and Clinical Relevance—Results suggested that fluoxetine may be efficacious in the treatment of compulsive disorders in dogs, although results were equivocal. The present study did not examine whether fluoxetine was more efficacious than or synergistic with behavioral and environment modifications.