Artificial Insemination

 

Welcome to class! 

In today’s class, we will be talking about artificial insemination. Enjoy the class!

Artificial Insemination

Artificial Insemination classnotes.ng

This is the introduction of semen into the reproductive tract of the female by a method other than natural mating. The semen containing the spermatozoa are carefully handled, diluted and stored in a freezer at a temperature of -1960C in liquid nitrogen until it is required for use.

For artificial insemination to succeed, the following must be ensured

  1. Viable spermatozoan must be used.
  2. Heat period must be observed.
  3. Special handling of spermatozoan because of short life span.
  4. Tactical introduction technique.

Method of collection of semen

  1. Artificial Vagina
  2. Massage method
  3. Electro-ejaculation.
  4. Recovery of semen from the Vagina after service.

Evaluation

  1. What is Artificial Insemination?
  2. State the methods of semen collection.

Advantages of artificial insemination

  1. It is easier and less expensive than natural mating since the farmer is saved the expense of maintaining a herd of animals.
  2. Easier and cheaper to import semen than the whole animal.
  3. The larger extent of using one and best male animal’s semen.
  4. Handicap of different sizes of female animals is overcome
  5. Long use of semen even after the death of the male animal.
  6. Venereal and infectious diseases associated with mating are easily avoided.
  7. A short period of testing with particular semen for research purposes can be achieved.

Disadvantages of artificial insemination

  1. Expertise experience is needful.
  2. Expertise is difficult to come by in term of cost and search.
  3. Heat period is unpredictable and limiting.
  4. Pregnancy rate may be low if handling procedure is adequate (poor timing of oestrus cycle.
  5. Inbreeding may occur if only a few males are used. That is a low level of heterosis.
General evaluation
  1. State four advantages of Artificial Insemination.
  2. State three disadvantages of Artificial Insemination.
  3. What is artificial insemination?
  4. List four animals on which artificial insemination can be carried out.
  5. List a tool that can be used to carry out artificial insemination

Reading assignment

Read meaning and causes of Artificial Insemination from Essential Agric Science by O. A. Iwena page 381 – 382

Theory

  1. What is artificial insemination?
  2. State three methods of collecting semen from a proven male for use in artificial insemination (WASSCE 2000 question 8b).
  3. State six advantages of Artificial Insemination.
  4. State three disadvantages of Artificial Insemination.

 

In our next class, we will be talking about Agricultural Financing.  We hope you enjoyed the class.

Should you have any further question, feel free to ask in the comment section below and trust us to respond as soon as possible.

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