Vitamin B7

Question 1

What is vitamin B7?

Answer 1

biotin

Question 2

What is biotin required for?

Answer 2

the decarboxylation reactions for the metabolism of fatty acids, leucine, and it pllays a role in gluconeogenesis

Question 3

What are dietary sources of biotin?

Answer 3

soybeans, brewers yeast, milk, cabbage, corn

Question 4

How can long term antibiotic use affect gut microbe production of biotin?

Answer 4

it can reduce it

Question 5

What does biotin deficiency present as?

Answer 5

poor hair coats, alopecia, scaly dermititis, and achromotrichia

Question 6

What is achromotrichia?

Answer 6

lack of hair color

Question 7

What does biotin deficiency present as in cats, mink, and foxes?

Answer 7

anorexia, scaly dermatitis around the mouth and eyes, hyper salivation, and alopecia

Question 8

What type of food is biotin deficiency associated with in cats, minks, and foxes?

Answer 8

diets containing high fats, especially if the fat is rancid because it oxidizes biotin resulting in deficiency

Question 9

How can raw egg white diets lead to biotin deficiency?

Answer 9

because the egg whites contain avidin which binds to biotin making it unavailable for absorption

Question 10

What does biotin deficiency in cattle and horses result in?

Answer 10

poor hoof growth and hoof harness