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Kap203:Reproduction Physiology Question Paper

Kap203:Reproduction Physiology

Course:Bachelor Of Agricultural Science

Institution: Kenyatta University question papers

Exam Year:2012

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2011/2012
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE
IN ANIMAL PRODUCTION AND HEALTH MANAGEMENT
KAP 203: REPRODUCTIVE PHYSIOLOGY

DATE: TUESDAY, 3RD APRIL 2012 TIME: 8.00 A.M. – 10.00 A.M.

INSTRUCTIONS

Answer question ONE and any other THREE questions.

1.
(a)
Explain the meaning of the following terms as used in reproductive physiology.

(i)
Sperm capacitation

(2 marks)

(ii)
Scrotal hernia

(2 marks)

(iii)
Milk ejection reflex

(2 marks)

(iv)
Ectopic pregnancy

(2 marks)

(b)
Explain briefly how the temperature in the testicles of farm animals is regulated to

facilitate sperm production.

(5 marks)

(c)
Distinguish the Graafian follicle and corpus luteum with regard to:

(i)
how they feel to touch

(2 marks)

(ii)
their respective functions

(5 marks)

(d)
Briefly describe the changes that occur in the fertilized eggs in the period

between fertilization and implantation.

(5 marks)

2.
(a)
What is oestrus?

(1 mark)

(b)
Explain the need for accurate oestrus detection in farm animals.

(3 marks)

(c)
Give four major signs of oestrus in farm animals.

(4 marks)

(d)
Give three reasons for oestrus synchronisation.

(3 marks)

(e)
Briefly describe one method for oestrus synchronisation.

(4 marks)

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3.
(a)
Briefly describe the three stages in the process of parturition.

(6 marks)

(b)
Give three reasons related to the foetus that can make parturition to be

difficult.

(6 marks)

(c)
Give the precautions you would take in assisting the animal during

delivery.

(3 marks)

4.
(a)
What is Artificial Insemination (A.I)?

(2 marks)

(b)
State two advantages and two disadvantages of A.I compared to natural service.

(4 marks)

(c)
Briefly outline the process of freezing semen for long term storage.
(3 marks)

(d)
During semen processing, explain:

i)
How the spermatozoa are protected against damage from cold.
(3 marks)

ii)
How contamination by microorganisms is minimised.

(3 marks)

5.
Discuss the causes of infertility and pregnancy failure in farm animals.

(15 marks)

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Kap203:Reproduction Physiology Question Paper

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