Mating

QUESTIONS

1. At what age do dogs and bitches reach puberty?
2. At what age does the fertility of the decline?
3. What is spermatogenesis?
4. What is the function of the cells of Leydig?
5. From which endocrine gland is lutenising hormone produced, and what is its function?
6. What is meant by a "gonadotrophin"?
7. What is the function of follicle stimulating hormone (FSH) in the male?
8. What is the function of the Sertoli cells?
9. What is the function of gonadotrophin releasing hormone?
10. What is meant by "hypogonadism"?
11. What is meant by "anorchia"?
12. What is the difference between cryptorchidism and monorchidism?
13. What term describes inflammation of the testes?
14. What is the term that describes failure to retract the penis into the prepuce?
15. What is meant by "priapism"?
16. What is meant by "phimosis"?
17. What is the "first fraction", and what is its function?
18. Describe intromission.
19. What is the purpose of "the tie" and how long does this last?
20. Which accessory glands are present in the tom but not in the dog?
21. What fraction of ejaculate is used in the assessment of fertility?
22. What stains are suitable for the microscopic examination of spermatozoa?
23. By which method of cell division do spermatozoa multiply?
24. Where are the sperms stored?
25. Give 2 other terms for the deferent duct.
26. Why are multiple matings more likely to result in ovulation?
27. What 2 natural factors increase the likelihood of conception?
28. In addition to clinical assessment, name 2 further methods of determination of the optimum time for mating.
29. Why might the apparent length of pregnancy, assessed from the time of mating vary from between 56 and 72 days?
30. Upon what days of heat is it recommended that a bitch is mated?
31. What is meant by "misalliance"?
32. If a client wishes to breed from more than 2 bitches, a licence is required. Which legislation governs this?
33. List 6 factors that ought to be taken into account by an owner prior to breeding.
34. A client wishes to use his 3 year old Staffordshire bull terrier as a stud dog; what advice would you give him?