http://lattes.cnpq.br/3401074259261983; ALMEIDA, Herta Karyanne Araújo.
Resumo:
Cancer is one of the leading causes of death in dogs and cats. In female dogs,
neoplasms of the mammary gland is the most common tumor lesion. Studies on
breast neoplasms do not describe the relation between previous pregnancies,
breastfeeding of pups and mammary neoplasms in canine females. Thus, this study
aimed to evaluate the possible relationship between gestation and the incidence of
breast neoplasms in bitches. 45 bitches in reproductive age, from different breeds,
were diagnosed with mammary neoplasms. Anamnesis was performed with the
owner using a questionnaire addressing several aspects related to the reproductive
life of the animal such as castration, contraceptive use, number of pregnancies,
pseudogestations, among other information. After the anamnesis, the general clinical
status of the animal, the body score, the number, location, and diameter of the
mammary nodes were evaluated with the aid of a pachymeter, as well as presence
or absence of ulceration. Among the breeds of bitches diagnosed with breast cancer,
36% were crossbred, 18% were Poodle, 18% Pinsher, 9% Dashund, 7% Coocker
Spaniel, 4% Beagle, 2% Shitzu, 2% Maltese, % Lhasa Apso and 2% Pekingese.
Breeds foud were of small size. It was observed that from three pregnancies or more,
the incicence of breast neoplasms was reduced, regardless of factors such as
castration, contraceptive use or pseudogestations.