Exam 3 AVS Water Soluble

Which vitamins are classified as water-soluble?

B-complex vitamins and vitamin C.

Why do monogastric animals require daily dietary sources of B vitamins?

They cannot synthesize sufficient B vitamins and store very little.

What is the main function of thiamine (B1)?

It acts as a coenzyme in carbohydrate metabolism.

Which vitamin deficiency causes Chastek paralysis?

Thiamine (B1).

Riboflavin is easily destroyed by what environmental factor?

Light.

Why is niacin in cereal grains often unavailable to animals?

It is bound in it and not biologically available (e.g., niacinogen in corn).

Which animals cannot synthesize niacin from tryptophan?

Cats.

What condition is associated with niacin deficiency in dogs?

Black tongue disease.

What is the main biological role of pantothenic acid (B5)?

Component of coenzyme A, important for energy metabolism.

Raw egg whites can cause deficiency of which vitamin?

Biotin (B7).

Why does folic acid deficiency lead to anemia?

Because it’s needed for DNA synthesis and cell division, especially in bone marrow.

What mineral is required for vitamin B12 synthesis in ruminants?

Cobalt.

Which species must obtain vitamin C from their diet?

Primates and guinea pigs.

What condition results from vitamin C deficiency?

Scurvy.