Abstract

Aim: The study was carried out to investigate occurrence of mammary tumour in dogs regarding sex, age, breed, tumour location and spaying status.

Materials and Methods: The study was carried out in thirty six dogs with the history of spontaneous mammary tumours during the period from Aug2017 to March 2019. The information regarding sex, age, breed, tumour location and spaying status were documented. Tumour samples (biopsy/surgically excised) were collected and processed for histological examination.

Results: Most affected breed was Spitz (41.66%), followed by German Shepherd (22.22%), Non Descript (22.22%), Pomeranian (05.55%), Labrador (05.55%) and Golden retriever (02.77%) female dogs. Non-spayed 25 (69.447%) dogs were more affected than spayed dogs 11 (30.55%). Out of 36 cases, 13 cases (36.11%) had multiple growths and 23 cases (63.88%) had solitary growths whereas malignancy was observed 72.22% by histopathological examination.

Conclusion: Occurrence of the canine mammary tumours was concluded irrespective to the age, sex, breed and location of the tumour. Though, it was been respective to the spaying status of the female dogs.

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