1.a) Explain the meaning of the following (10 marks)
I) freemartin
II) endometritis
III) pyometra
IV) dystocia
v) criptorchindism
b) Indicate the changes that occur in the reproductive system of a cow when preparation containing the following hormones is administered.
I) prostaglandin PGFa. (3 marks)
II) Progesterone (3 marks)
c) I) what is puberty? (2 marks)
II) Briefly describe the changes that occur I the female genitalia of domestic animals at puberty. (4 marks)
. III) Give three factors that determine the onset of puberty in farm animals. (3 marks)
2. a) Name three types of cells found in the test is and indicate their respective functions. (6 marks)
b) Describe the parameters used to determine the quality of semen. (9 marks)
3.a) What is oestrus? (2 marks)
b) Explain the importance of accurate detection of oestrus in farm animals. (5 marks)
c) Give three major signs of oestrus in cows. (3 marks)
d) What are the possible consequences of inseminating a cow outside the oestrus period? (5 marks)
4. Discuss the factors that may influence the return of a cow to normal reproductive function (ovarian cycling) after parturition (15 marks)
5. Before buying a bull or a cow for breeding purposes, it is necessary to examine its reproductive system for any problems that may affect its reproductive function. Discuss possible findings that may lead you to advise a prospective farmer against buying such an animal. (15 marks)
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