What is the plural form of "hen"?

[Hunts]

Translation: hen (noun plural of hen); ? Female bird;

Example:

1. The freezing weather in spring hindered. The ability of hens to lay eggs. ?

The cold weather in spring reduces the laying ability of hens.

They are prolific breeders, and there are many? Hen? Lay as many as six eggs. ?

They are all prolific breeders, and many hens can lay as many as six eggs.

3. That? Hen? Running away in all directions, raising a cloud of dust. ?

A flock of hens ran around, stirring up a cloud of dust.

4. A small group of eggs? Hen?

A small flock of hens laying eggs.

5. That? Hen? No? Lying down? During? This? Cold? weather ?

Hens can't lay eggs in such cold weather.