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Poultry Knowledgebase

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CE Coronaviral Enteritis
CLB Cream Legbar
Calcium Chickens need calcium which can come from bone meal, sea shells (e.g. crushed oyster shell), seaweed and vegetables.
Lack of calcium can lead to eggshell deficiencies.
Too much calcium can lead to other health problems with chickens but as long as other chicken foods (e.g. pellets) are available then the birds can eat as they please from the items above.
Campines Silver_Campines
Campylobacter An infection that is more of a worry to humans than to the birds. Many species are normally found in the intestines of poultry.
Campylobacter species are often carried in the guts of birds with no signs of disease. Campylobacter jejuni is an important cause of diarrhoea with fever, stomach cramps and vomiting in humans.
A carrier bird will shed bacteria with its faeces, so any contact with bird or droppings, or contamination of foods with bacteria through poor hygiene, may trigger human illness.
Candle Examining the contents of an egg using a very bright light, to determine if fertile.
Cape Feathers which appear under the neck hackle between the bird's shoulders.
Chalazae The two whitish cords on opposite sides of the yolk that hold the yolk in the center of the albumen and serve as a rotating axis to keep the germ cell on the top side of the yolk and next to the heat of the hen's body.
Chick A young chicken is called a chick.
Cholesterol One Large egg contains 213 mg cholesterol.
Chorion One of four extra-embryonic (outside the embryo) membranes inside an egg.
The four membranes are: allantois, chorion, the amnion and the yolk sac.
Cluckers A broody hen refuses to leave the nest and clucks repeatedly when you go near her.
Broody hens are some times called 'cluckers' or 'clockers'.
Broody hens are most likely to happen in spring but can happen at any time throughout the year and is especially likely in the hen's second year.
Broody hens do not lay eggs and they also take up a whole nest box. It can last over a month.
Cochins Partridge_Cochins Black_Cochins
Cockerel A male chicken is a cock or a cockerel, depending on its age. Similarly, a female chicken is called a pullet or a hen.
The age at which a pullet becomes a hen and a cockerel becomes a cock depends on what type of chicken is being raised. Purebred poultry producers have very age-specific definitions.
A chicken is a cockerel or pullet if it is less than one year of age. After one year of age, the chicken is referred to as a hen or cock.
In the commercial chicken industry a female chicken is called a hen after it begins egg production (around five months of age).
A sexually mature male chicken (again, around five months of age) is referred to as a rooster.
Comb The fleshy, red outgrowth on top of a chicken's head.
Combs should be bright red and free from scabs and discolouration. Combs come in a variety of different types (e.g. single, triple, rose, pea, walnut) and the comb should be genuinely representative of the breed.
Concentrate A blend of protein-rich foods, plus any other nutrients desired; usually fed together with a grain ration.
Corn American term meaning maize corn, or corn on the cob (in the UK corn means what grain means in the US).
Coronaviral Enteritis An acute, highly contagious disease of turkeys of all ages. Cornavirus, a small RNA virus survives for long periods in frozen feces.
Croad Langshans Croad_Langshans
Cross Breed A cross breed is when two pure breeds are crossed together. When crossed again it will lose some of its characteristics.
The purpose of a cross breed is to produce progeny which are healthier and hardier, more disease resistant, and their resultant production is the average of the two breeds.
Another advantage amongst a few breeds is that when crossed the progeny are sexed linked. Sex linkage means that on hatching, the day old cockerels are different in colour or some other characteristic to the female.
On pure breeds it may take between 10 and 12 weeks to distinguish the male and females.
Crumbles Pellets broken up into smaller pieces.
Cushion Area behind a Pekin consisting of immense fluff and soft feather.
Cuticle A secretion of the uterus consisting mainly of protein that serves to partially seal the pores in the egg's shell and acts as a lubricant when the egg is laid; commonly called the bloom.

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