But we are more than animals and we have a human as well as an animal sexual instinct. (faith.org.uk)
By eliminating sexual instincts, pets become less aggressive and more loyal companions to their human family members. (mobileanimalclinicpc.com)
We highly recommend a spay or neuter procedure to reduce sexual instincts, unwanted behaviors, and the risk of infection and disease. (southkendall.com)