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Post-legged describes a condition in which the joints in an animal are not set correctly. When an animal is post-legged, the leg joints are far too straight, with almost no bend in the legs. Four-legged animals must have some bend in the hocks, otherwise the hooves would wear unevenly, and this may result in lameness, or at least a rougher gait.
Cats are commonly cow-hocked, with the hind legs angling inward at the ankles and the feet splaying outward more than forward. Mild cow-hocking is negligible, and kittens often look a little cow-hocked, but if the defect is severe, the resulting poor alignment can damage the joints and spine. [2]
Feather Description Image Notes Beard Feathers projecting below the beak only in bearded breeds Crest Feathers projecting upwards from the head
The hocks set is given 2 points and should be moderate, not angled too straight, also called post-legged, nor too angled, which is known as sickle-hocked. [4] The bones are given 1 point and should be visible and flat appearing. [4] Pasterns are given 1 point and should be strong but flexible, with a moderate angle to the ground. [2]
Because the hock takes a great deal of strain in all performance disciplines, correct conformation is essential if the horse is to have a sound and productive working life. Common conformational defects include sickle hocks, post-legged conformation/straight hocks, cow hocks, and bowed hocks. Depending on the use of the horse, some defects may ...
Illustration of thirty-nine varieties of chicken (and one Guinea Fowl) . There are hundreds of chicken breeds in existence. [1] Domesticated for thousands of years, distinguishable breeds of chicken have been present since the combined factors of geographical isolation and selection for desired characteristics created regional types with distinct physical and behavioral traits passed on to ...
Fibromelanosis is also found in some other black or blue-skinned chicken breeds, such as the Silkie. [6] [7] The roosters weigh 2–2.5 kg (4.4–5.5 lb) and the hens 1.5–2 kg (3.3–4.4 lb). The hens lay tinted or cream-colored eggs, although they are poor setters and rarely hatch their own brood. Eggs weigh an average of 45 g (1.6 oz).
The chicken breeds recognized by the American Poultry Association are listed in the American Standard of Perfection. They are categorized into classes: standard-sized breeds are grouped by type or by place of origin, while bantam breeds are classified according to type or physical characteristics.