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JSS2: AGRICULTURAL SCIENCE - 2ND TERM

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  1. Animal Feeds And Feedings | Week 1
    3 Topics
  2. Types of Feedstuffs and Feedings | Week 2
    3 Topics
  3. Ration, Diet And Malnutrition | Week 3
    8 Topics
  4. Feeding Tools and Equipment for Farm Animals | Week 4
    3 Topics
    |
    1 Quiz
  5. Animal Pests And Diseases Control | Week 5
    4 Topics
  6. Bacterial Diseases In Farm Animals | Week 6
    2 Topics
  7. Fungal and Viral Diseases in Farm Animals | Week 7
    3 Topics
  8. Protozoan | Worm | Nutritional Diseases | Week 8
    3 Topics
  9. Effects of Diseases on Farm Animals | Week 9
    4 Topics
  10. Farm Animals Parasites | Week 10
    8 Topics
    |
    1 Quiz



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Topic Content:

  • Reactions of Animals to Diseases:
    • susceptibility, tolerance, resistance, immunity to diseases
  • Types of Immunity
  • Difference between resistance and susceptibility to disease

Depending on the health status of the animal, it may respond to the invasion in any of the following processes:

1. Susceptibility: Disease Susceptibility is a condition in which the individual is at risk of getting infected by a disease. The animal is more likely to get a disease or lacks resistance to a disease. This might be due to genetics, or lifestyle risk factors such as aging, poor nutrition, infection, etc.

2. Tolerance: Tolerant animals or animal breeds can be infected with larger numbers of pathogens without suffering severe illness and death. The disease-causing organisms gain entry, multiply within the body cells, and may manifest in some symptoms but are unable to overwhelm the animal. e.g. The Muturu and N’dama cows are said to be tolerant to Trypanosomiasis.

 

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