Question

Animal Nutrition Questions:

1) Compared to most other nutrients, vitamin A supplementation is very challenging for an animal nutritionist List and explain 4 unrelated reasons for this (One sentence for each reason).

1)

2)

3)

4)

2) Among minerals, iron nutrition is especially difficult for an animal

List and explain 4 unrelated reasons for this using a pig as an example (pigs are precocial and have epitheliolchorial placentas) (no more than 2 sentences for each reason).

1)

2)

3)

4)

Answer 1

1. Four unrelated reasons.

1). Vitamin A promotes good eyesight.

2). It produces the pigments in the retina of the eye.

3). It helps the heart, lungs, kidneys and other organs to work properly.

4). It is stored in the liver, it may take up to 2 years for signs of deficiency.

2. Four unrelated reasons.

1). Deficiencies of minerals can result in disorders including anemia and goitre.

2). Several dietary factors influence the mineral absorption.

3). Feeling tired for no reason, looking pale and always getting sick can all be symptoms of mineral deficiencies.

4). Calcium inhibits the absorption of non-heme and heme iron.

Thank you.