What is ovofeeding? How it is done?

It evidently happens a lot. Please click on the following search. You will find information there that might be helpful to you.

overfeeding poultry - Google Search (http://www.google.com/search?hl=en&safe=off&q=overfeeding+poultry)

Whoops! Wrong answer. I thought that you meant overfeeding. Please try the following search.

ovo feeding poultry - Google Search (http://www.google.com/search?hl=en&safe=off&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=ovo+feeding+poultry&spell=1)