Learn About Hens
Search & Filter by Anatomy and Symptoms

Comb & Wattles
The comb sits on top of the hen’s head and in a healthy hen is likely to be red, plump and glossy, this often denotes she’s in lay.

Diarrhoea
Diarrhoea is defined as the passage of three or more loose or liquid stools per day. There are many causes for diarrhoea such as infection, dietary imbalance or internal parasites: stress and environmental factors can also play a part.

Egg Eating
It can be very frustrating to find broken eggshell in a nest box and to find that the hens have started an egg eating habit. Caged hens never get to see their own eggs as they roll away once laid so sitting on them is a novelty and sometimes the weight of the hen can break a fragile shell.

Elderly Hens
As with any other pet, hens suffer from age-related problems and may need extra attention as they age, but with good care hens can live beyond six years with certain breeds living to the ripe old age of 10 years or more.

Hermaphrodites
It is a well-documented fact that female chickens (hens) can take on the characteristics and behaviour of male chickens and essentially turn into cockerels.

Moulting
Moulting is a normal process and all part of a hen’s natural cycle and it allows hens to shed damaged or loose feathers and replace them with a fresh set.

Obesity in Chickens
The dangers of feeding our cats and dogs too many treats are well known. However, being treat-wise applies not only to our four-legged friends, but to our feathered friends too.

Respiration
Chickens have a specialised system for getting oxygen into their bodies and removing carbon dioxide. In doing so they employ an efficient combination of two methods to obtain oxygen, allowing them to indulge in highly energetic activities such as flying and running.

Uropygial Gland (Preen or Oil Gland)
Owners of feather-bare ex-bats will sometimes report a strange growth or tumour at the base of the hen’s tail. This is a normal part of a hen’s anatomy, called the uropygial gland.

Vaccination
All hens adopted through the British Hen Welfare Trust have received the full set of vaccinations required by commercial systems.
Share with your flock