Describe breeding cycles.

Description should include

• the phases of the estrous cycle, which vary from species to species
• signs exhibited during each phase
• breeding behavior of both female and male
• mechanics of breeding, including artificial insemination
• pregnancy diagnosis, gestation periods, and stages of labor
• causes and signs of dystocia. 

Process/Skill Questions:

• How can the breeder determine whether the female is ready to be bred?
• What is meant by the term estrus cycle?
• Why is it desirable for the breeder to know exactly when the female is ready to be bred?
• What is the connection between the female’s estrus cycle and the horse breeder who must ship the mare to the stud farm for service?
• Why do horse breeders use teaser stallions?
• In dogs, what is meant by the term tie? What is its effect?
• In breeding rodents, what is meant by the term harem? What are the pros and cons of this breeding method?