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The Body’s First Line of Defense

The Body’s First Line of Defense. Skin: Covered with hair, feathers. Mucous Coating that traps pathogens. Protects the Membranes: digestive tract and the tissues of the lungs. Gut: Contains acids that destroy pathogens.

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The Body’s First Line of Defense

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  1. The Body’s First Line of Defense Skin: Covered with hair, feathers. Mucous Coating that traps pathogens. Protects the Membranes: digestive tract and the tissues of the lungs. Gut: Contains acids that destroy pathogens. Cell Wall: Sometimes mucous coated and may contain cilia. Coughing: Rids the body of disease organisms. Urination: Cleans the ureter by washing pathogens out.

  2. The Body’s Second Line of Defense White Blood Cells: Helps fight infection. Lymphatic System: Filters undesirable pathogens out of the body. Liver: Filters blood and detoxifies poisons. Antibodies: Fights off pathogens.

  3. How Diseases Are Spread • Direct contact. • Contact with non-living objects: fence post, trucks. • Infection from soil. • Infection from food or water. • Airborne infection. • Infection from parasites: mosquitos, flies.

  4. Good Management Skills • Be alert to signs of ill health. • Provide clean, disinfected quarters. • Provide adequate ventilation. • Provide proper drainage for holding areas, barns. • Protect them from the sun.

  5. Good Management Skills, cont’d. • Practice rigid sanitation & manure removal pocedures. • Provide a well balanced diet. • Get accurate diagnosis of health problems immediately. • Avoid unnecessary stress and strain. • Buy disease-free stock from healthy herds and flocks.

  6. Good Management Skills, cont’d. • Isolate new animals for a period of time before introducing them to your herd or flock. • Follow a set vaccination program. • Be cautious of visitors from other operations. • Dispose of dead animals immediately.

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