lunedì 18 aprile 2016

NYT Science: How Many Eggs Does a Chicken Lay in Its Lifetime?

How Many Eggs Does a Chicken Lay in Its Lifetime?
By C. CLAIBORNE RAY

Rough estimates for the first two or three years of laying, when a hen is most highly productive, suggest figures in the high hundreds.

Published: April 19, 2016 at 06:00AM

via NYT Science http://ift.tt/1YCSibu