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Animal Science Course

Animal Science Course. Goals. Understand how to maintain your respiratory health while managing domesticated animals. Understand asthma risks when working in agriculture and how to protect your respiratory health. Asthma. What is asthma? The lining of the airways become inflamed and swell.

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Animal Science Course

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  1. Animal Science Course

  2. Goals • Understand how to maintain your respiratory health while managing domesticated animals. • Understand asthma risks when working in agriculture and how to protect your respiratory health.

  3. Asthma • What is asthma? • The lining of the airways become inflamed and swell. • More mucus is produced, making the opening in the airways smaller. • The muscles around the airways tighten, also making the opening in the airways smaller.

  4. Asthma • Triggers of Asthma • A trigger is any object, act, or event that causes the airways to become inflamed or causes asthma symptoms. The muscles in the airways react to triggers and causes them to contract, tighten and narrow, making it harder to breath.

  5. Asthma • Common signs and symptoms of asthma: • Wheezing • Coughing • Feeling tired • Shortness of breath • Tightness or heaviness of chest • Difficulty breathing with exercise • Night cough

  6. Work-related asthma • Work-related asthma is asthma that is caused or made worse by something at work.

  7. Work-related asthma • Work-related asthma falls into two types: • Work aggravated asthma: Someone who already has asthma and the asthma is made worse by exposures at work. • Occupational asthma: New asthma that develops after exposures at work in someone who didn’t have asthma before.

  8. When to Wear a Respirator • Who needs respiratory protection? Those who: • work in dusty fields and buildings • handle moldy hay • work in silos • feed or work with feedstuffs • work in corn silage • uncap silos • clean grain bins • work in areas where bird droppings or dust from animal hair, feathers, or fur are present • work with fish meal • apply agricultural chemicals (e.g. fertilizers, pesticides, fumigants) • work with toxic paints or solvents • work in areas where dust containing old paint, rust and wood particles

  9. When to Wear a Respirator • Two respirator categories: • 1) air purifying respirators (APR) • 2) supplied air respirators (SAR)

  10. When to Wear a Respirator and the Correct Type In case the respirator cannot or will not be used a simple mask should be used. The respirator is more efficient at removing the particles but a mask will still helpful.

  11. Respirator Fit Check • Fit testing should not be confused with a respirator fit check. • A fit check is the method you use to ensure that the respirator you are using does not have an air leak.

  12. Respirator Fit Check • Positive fit check • exhale while covering the exhalation valve with the palm of your hand – if you feel air against the skin of your face, there is a leak in the seal. • Negative fit check • cover the cartridge(s) with your hands and inhale –if the mask is drawn tightly to your face, there is no leakage.

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