A castração precoce e a redução do desenvolvimento de neoplasia mamária em cadelas: uma revisão da literatura

Abstract

This study addresses the relationship between early spaying and the reduction in the development of mammary neoplasia in female dogs through a literature review. Mammary neoplasia is one of the most common diseases in non-spayed female dogs, presenting high morbidity and mortality rates. Studies show that spaying performed before the first estrous cycle significantly reduces the risk of developing these tumors due to decreased exposure to sex hormones such as estrogen and progesterone.

The methodology was based on the analysis of relevant scientific articles selected from academic databases, allowing the identification of patterns and evidence on the subject. The results indicate that early-spayed dogs show a significant reduction in the incidence of mammary neoplasia, reaching less than 0.5%, while late-spayed or non-spayed animals present a higher risk.

It is concluded that early spaying is an effective strategy for preventing mammary neoplasia and also provides additional health benefits, such as reducing other reproductive diseases. However, the decision should be individualized, considering the animal’s clinical conditions.