Definition of ophthalmology for English Language Learners. medical : the study of the structure, functions, and diseases of the eye.
Pullet: Six Weeks to One Year. Young female chickens less than 1 year old that have fully feathered out and are about the size of large pigeons are called pullets. Expect your barred rock pullet to start laying eggs when she is about 16 to 20 weeks old. Once she begins laying, she should produce one egg every 25 hours â except during the cold, dark hours of winter when she may not lay at all -- until her first molt a year later.
How many eggs does a queen bee lay in one day? At the height of the season a queen honey bee can lay up to 2000 eggs in 1 day. How many eggs can the queen bee lay in one day? At the height of the breeding season she can lay up to 2,000 eggs a day. A honey bee queen can lay up to 1000 eggs per day. How many eggs can a queen bee lay in one minute? At the height of the summer, the queen can lay up to 2,000 eggs a day.