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SS3: AGRICULTURAL SCIENCE - 1ST TERM

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  1. Crop Improvement | Week 1
    9 Topics
    |
    1 Quiz
  2. Animal Improvement | Week 2
    6 Topics
    |
    1 Quiz
  3. Animal Health Management I - Introduction | Week 3
    7 Topics
    |
    1 Quiz
  4. Animal Health Management II | Week 4
    5 Topics
    |
    1 Quiz
  5. Animal Health Management III | Week 5
    7 Topics
    |
    1 Quiz
  6. Aquaculture | Week 6
    11 Topics
    |
    1 Quiz
  7. Apiculture or Bee-keeping | Week 7
    10 Topics
    |
    1 Quiz



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Topic Content:

  • Meaning of Artificial Insemination:
    • Steps Involved in Artificial Insemination
      • Semen Collection
      • Insemination Process
    • Precautions in Artificial Insemination
    • Advantages and Disadvantages of Artificial Insemination

What is Artificial Insemination?

Artificial insemination (AI) is an important tool used in animal breeding. It is essentially the introduction of the male gametes into the female through an artificial method.

The semen is usually collected with the aid of an artificial vagina, which is a jacketed tube having a test tube at one end. It is collected from the male by use of teaser or dummy females with artificial vaginas to cause erection and consequent ejaculation.

In order to be able to use one ejaculate for many female animals, its volume should be increased by using special diluents or extenders. The mediums also aid in ensuring the survival and longevity of the spermatozoa. The life span of semen outside the animal body is very short. For preservation, the semen can be mixed with glycerol and frozen either in dry ice and alcohol or in liquid nitrogen at 196oC – 198oC.

Steps Involved in Artificial Insemination:

a. Semen Collection:

This is the process of collecting semen from a male animal. It involves the following methods:

 

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