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- Title
Aggressive Behavior in a Bitch After Deslorelin Implant Insertion.
- Authors
Pipan, Maja Zakošek; Pavlin, Darja
- Abstract
In male dogs, long-acting gonadotropin-releasing hormone (GnRH) analogs are widely accepted as an alternative to surgical castration but are also used to suppress and induce estrus in bitches (off label). Behavioral changes reported in bitches in association with the use of long-acting GnRH analogs have included male-like behavior associated with triggered estrus, increased food intake, enlargement of mammary glands and milk production, pseudopregnancy, and urinary incontinence. In male dogs, intra-species and rarely inter-species aggression may occur during the flare-up effect. However, at the time of downregulation, this behavior should no longer occur if it is testosterone dependent. An intact, three-year-old female cocker spaniel with Addison’s disease was admitted to our clinic for consultation on spaying options because of pseudopregnancies followed by mastitis, which had to be treated with antibiotics, after her heat cycles. The owners were hesitant about surgical sterilization and therefore, deslorelin implant was inserted. Approximately one month after implantation, owners observed the onset of aggressive behavior, including incessant barking, extreme irritability, and aggression toward other dogs and towards family members. The behavior problems started to escalate and the owners were not able to handle her anymore. After removal of the implant, the observed aggression ceased, and the bitch returned to normal behavior. Although aggressive behavior toward other dogs and sometimes even toward owners has been observed after neutering or insertion of a deslorelin implant, this is the first report of extremely aggressive behavior toward owners and other dogs in a female dog after insertion of a 4.7 mg deslorelin implant.
- Subjects
ANIMAL aggression; ESTRUS; FEMALE dogs; DOG behavior; BOVINE mastitis; ADDISON'S disease; GONADOTROPIN releasing hormone
- Publication
Slovenian Veterinary Research / Slovenski Veterinarski Zbornik, 2023, Vol 60, Issue 4, p213
- ISSN
1580-4003
- Publication type
Article
- DOI
10.26873/SVR-1781-2023