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- Author or Editor: Alice A. Moon-Fanelli x
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Objective
To identify factors associated with onset and continued elicitation of tail chasing in Bull Terriers and other terriers and to determine response to treatment with clomipramine hydrochloride, a serotonin-reuptake inhibitor.
Design
Prospective study.
Animals
18 tail-chasing terriers (15 Bull Terriers, 1 Miniature Bull Terrier, 1 American Staffordshire Terrier, 1 Jack Russell Terrier).
Procedure
5 dogs were evaluated for tail chasing by a veterinarian at the behavior clinic of the veterinary teaching hospital and 13 dogs were evaluated by the owner's local veterinarian, who confirmed the diagnosis and treated the dog. It was recommended that all dogs in the study be given clomipramine orally at a dosage of 1 to 2 mg/kg (0.5 to 0.9 mg/lb) of body weight, every 12 hours.
Results
Of the 18 dogs, 15 were treated with clomipramine within the recommended dosage range, and 3 dogs required treatment at a slightly higher dosage range to control tail chasing. After 1 to 12 weeks of treatment, 9 of 12 (75%) dogs were reported to have a 75% or greater improvement (reduction) in tail chasing.
Clinical Implications
Findings of this study may aid in recognition and treatment of compulsive tail chasing. In conjunction with appropriate management changes, clomipramine administration appears to be an effective treatment for this otherwise refractory condition. (J Am Vet Med Assoc 1998;212:1252–1257)
Abstract
Objective—To evaluate blanket and flank sucking and any association with pica in Doberman Pinschers.
Design—Survey and case-control study.
Animals—153 Doberman Pinschers (77 dogs with blanket or flank sucking and 76 unaffected dogs).
Procedures—Owners of Doberman Pinschers with blanket sucking, flank sucking, or both were surveyed regarding the age of onset, triggers, frequency, duration, interruptability, and associated medical and behavioral consequences. A putative association of blanket sucking and flank sucking with pica was examined by comparison of affected dogs with unaffected dogs.
Results—Apart from the difference in the object of oral activity between blanket and flank suckers, age of onset was the only variable that differed between dogs with the 2 conditions. Dogs with blanket or flank sucking had a higher prevalence of pica than the unaffected population.
Conclusions and Clinical Relevance—Blanket and flank sucking are apparently related conditions that can occur with sufficient intensity to cause medical sequelae. These nonnutritive suckling behaviors share similarities with other canine compulsive disorders and are associated with pica. Veterinarians should advise owners that flank and blanket sucking are abnormal, potentially harmful behaviors in dogs. Treatment should be considered for severely affected dogs or when flank or blanket sucking is associated with medical problems.
Abstract
Objective—To analyze factors associated with interdog household aggression and determine treatment outcomes.
Design—Retrospective case series and survey.
Animals—38 pairs of dogs with interdog household aggression. Each pair of dogs was considered 1 case.
Procedures—Records of dogs with interdog household aggression that were examined during initial or follow-up consultations at a veterinary teaching hospital from December 5, 2006, to December 5, 2007, were analyzed for clinical features. Data regarding outcome, owner compliance, and efficacy of recommended treatments obtained by use of a follow-up survey were evaluated.
Results—Most cases (30/38 [79%]) of interdog household aggression involved same-sex pairs; 26 of 38 (68%) cases involved 1 female or a pair of females. Instigators and recipients of aggression were clearly identified in 27 of 38 (71%) cases; most instigators were the younger of the pair (20/27 [74%]) or were newer additions to the household (19/27 [70%]). Fight-eliciting triggers included owner attention, food, excitement, and found items. Some dogs had risk factors for behavior problems such as a history of living in multiple households (21/51 [41%]), adoption after 12 weeks of age (20/51 [39%]), or being acquired from a shelter (17/51 [33%]). Effective treatment recommendations included implementing a so-called nothing-in-life-is-free program, giving 1 dog priority access to resources, and administering psychotropic medication. Frequency and severity of fighting were significantly reduced after consultation. Owners reported a 69% overall improvement following treatment.
Conclusions and Clinical Relevance—Most treatment strategies were considered effective. Consistency and predictability of social interactions are essential in resolving interdog household aggression.
Abstract
Objective—To evaluate and define the characteristics of tail chasing in Bull Terriers and explore the association between tail chasing and other behavioral and physical characteristics.
Design—Survey and case-control study.
Animals—333 Bull Terriers (145 dogs with tail-chasing behavior and 188 unaffected dogs).
Procedures—Owners of Bull Terriers with tail-chasing behavior were surveyed regarding the age of onset, triggers, frequency, duration, interruptability, degree of disruption to the dogs' normal functioning and the owners' relationship with the dog, and associated medical and physical consequences. Associations of tail chasing with various behavioral and physical characteristics were examined by comparison of dogs with tail-chasing behavior with unaffected dogs.
Results—Phenotypic and developmental descriptions of tail chasing in Bull Terriers were defined. Associations of tail chasing with sex, trance-like behavior, and episodic aggression were found. Males were at an 8% greater risk for the diagnosis of tail chasing than females. Phobias and owner-directed aggression did not significantly associate with tail chasing in the final log-linear model, but did have significant associations in earlier analyses that did not include the behaviors of episodic aggression and trance-like behavior.
Conclusions and Clinical Relevance—In Bull Terriers with tail-chasing behavior, there was a slight increase in the susceptibility of males to develop tail-chasing behavior, compared with females. A close association of tail chasing with trance-like behavior and episodic aggression was identified.
Objective
To determine signalment, history, clinical signs, and response to treatment of cats with psychogenic alopecia (PA) and to identify factors associated with its onset and propagation.
Design
Retrospective study.
Animals
11 cats.
Procedure
A survey was used to obtain information about breed, sex, age at time of weaning, frequency and duration of licking bouts, age at time of onset of PA, situations eliciting licking bouts, results of diagnostic tests, treatment, response to treatment, and current status of the cats. Additional information was obtained from medical records and by telephone conversations with owners and attending veterinarians.
Results
Four cats were purebred, and 7 were domestic shorthair. Six were female, and 5 were male; all were neutered. Eight cats were kept exclusively indoors. Age at time of onset of PA ranged from 6 months to 12 years. Environmental stresses initiated or exacerbated PA in 9 cats. Various methods were used to confirm the diagnosis, including therapeutic trials with antidepressant and anxiolytic drugs in 10 cats. All 5 cats treated with clomipramine, 2 of 3 treated with amitriptyline, and 1 of 4 treated with buspirone responded positively. Only 3 cats were still receiving medication at the time of this study; none of those 3 groomed excessively while receiving medication. Psychogenic alopecia resolved in 6 cats after drug treatment, environmental modification, or both. Psychogenic alopecia continued to be a problem in the remaining 2 cats.
Clinical Implications
Environmental stress may initiate or exacerbate PA in cats. Drug treatment, environmental modification, or both may be useful in treatment of affected cats. (J Am Vet Med Assoc 1999;214:71–74)
Abstract
Objective
To establish similarities or differences in tissue concentrations of zinc, copper, and iron in Bull Terriers with lethal acrodermatitis (LAD) and tail-chasing behavior (TCB) and to confirm the suspicion that copper is involved in the etiopathogenesis of LAD.
Samples
Serum samples from 29 Bull Terriers (9 control dogs, 6 dogs with LAD, 14 dogs with TCB), and liver and kidney specimens from 2 dogs and 1 and 4 dogs with LAD or TCB, respectively.
Procedure
Serum, liver, and kidney mineral (zinc, copper, and iron) concentrations in Bull Terriers with LAD or TCB and in a group of control dogs were analyzed, using flame atomic absorption after wet ashing technique.
Results
Serum zinc and copper concentrations were lower (P < 0.05) in dogs with LAD, compared with values for control dogs and dogs with TCB. Liver zinc and copper concentrations were similar to serum values. Kidney zinc and copper concentrations were similar among the 3 groups. Serum, liver, and kidney iron concentrations had a wide range of variability within all 3 groups.
Conclusion
Copper deficiency is associated with LAD. The primary cause of LAD may be copper deficiency, with zinc involved secondarily, or combined zinc and copper deficiencies. The role of ion deficiency in TCB was not clarified.
Clinical Relevance
Serum zinc and copper concentrations should be determined when LAD is suspected. (Am J Vet Res 1997;58:808–810)
