About 300 a year
on average, about 69
30,000,000 chickens - 85% battery hens
A battery cage is a small cage in which a hen is kept to lay eggs.
about 2 eggs.
Battery Brooding by Milton Arndt reports on this housing method in 1931.The book is the earliest source to reference the method yet the origins are unknown.
On average a battery hen will lay about 250 eggs during her lifetime. Battery hens are often culled at at between 16 to 18 months old and used for meat.
Yes. they both do. But their eggs are very different. While the hen's eggs have a hard outside the frogs eggs are very soft. Also a hen doesn't lay nearly as many eggs as a frog. Also frogs eggs are in the water, while a hen lays them on land.
200
lifetime
12
It depends on the size of the hen.. But most probably 10 or 11.
Accorsing to the staff trainers at my company... an ostrich egg is the equivalent to 18 chicken eggs.