A group of young birds or fowl hatched at one time

• The young of any egg-laying animal produced together
• The eggs and larvae of social insects in a colony

The children of one family; offspring

• A set of descendants or issue

To keep eggs warm until they hatch

• To care for and shelter the young
• To nurture or foster something developing

To think gloomily and at length, often over something

• To dwell resentfully on a problem or misfortune

Kept or reared for breeding

• Used in or relating to breeding stock