Question

Animal Nutrition Questions:

7) Describe four general mechanisms by which dietary nutrients (nutrition) impact the immune system and resistance to infectious diseases. For each mechanism, describe how a diet designed to optimize immunity would diverge from a diet designed to optimize growth.  

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8) In two sentences or less describe how the priority of a nutrient (e.g. lysine) is established by a cell. What are the relative priorities for amino acids of: B lymphocytes, T lymphocytes, macrophages, brain, muscle?

Answer 1

7) Different ways how dietary nutrients impact the immune system and provide resistance against the infectious diseases.

Every stage of body's immune response relies on the presence of many micronutrients. The nutrients that have been proved important for the growth and development of the immune systems are- Vitamin C, Vitamin D, Zinc, Selenium, iron and protein.

a. Vitamin E can be a powerful antioxidant that helps your body fight off infection. Almonds, peanuts, hazzlenuts and sunflower seeds are all high in vitamin E. Hence, we should increase uptake up these to have resistance against infectious diseases.

b. Immune system is the powerhouse of the antibodies and the immune system cells rely completly on proteins. Decrease in the amount of protein may lead to weakness, fatigue ,apathy and poor immunity. Proteins helps in repairing the body tissues and fight against the viral and bacterial infections.

c. Vitamin D modulate the innate and adaptive immune responses. Defficiency in vitamin D is associated with increased autoimmunity as well as an increased susceptibility to infection.

d. The defficiency of iron affect the capacity to have an adequate immune response. The role of iron in immunity is necesaary for immune cells proliferation and its maturation, particularly lymphocytes, associated with the generation of a specific response to infection.

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