Which mineral is especially important for eggshell formation in laying hens?
Correct answer: D. Calcium
- A. Cobalt
- B. Iron
- C. Iodine
- D. Calcium
Explanation
Calcium is the principal mineral deposited in the eggshell, with carbonate supplied through the hen's metabolism. Iron, iodine, and cobalt are essential in other physiological roles but are not the main structural mineral of the shell.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Poultry Science
Covers the breeds, anatomy, physiology, nutrition, housing, breeding, incubation and management of chickens and other domestic poultry. It includes brooding, vaccination, biosecurity, egg formation and quality, meat and egg production, common diseases, and the distinction between layer and broiler management.
Practise Poultry Science
60 free Poultry Science MCQs from Veterinary Science, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Veterinary Science questions like this
Veterinary Science is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Poultry Science questions
In chickens, which sex chromosome combination identifies the male?
In poultry housing, wet litter most directly increases the risk of which condition?
Which vaccination route is commonly used to administer live Newcastle disease vaccine to chickens?
What is the primary function of the gizzard in poultry?
Which sex chromosome combination occurs in a normal female chicken?
Infectious bronchitis of chickens is caused by a virus belonging to which group?