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The disorder leaves the cat with a full-size body, but disproportionately short and thick legs. Dwarf cats often suffer from spinal disorders, such as lordosis (excessive curvature of the spine) and pectus excavatum (hollowed chest). [7] As with human dwarfism, there are still a lot of unknown mysteries in the science behind feline dwarfism.
Fel d 1 is a secretoglobin protein complex that, in cats, is encoded by the CH1 (chain 1/Fel d 1-A) and CH2 (chain 2/Fel d 1-B) genes. [2] [3] Among cats, Fel d 1 is produced largely in their saliva and by the sebaceous glands located in their skin. It is the primary allergen present on cats and kittens.
Cat genetics describes the study of inheritance as it occurs in domestic cats. In feline husbandry, it can predict established traits ( phenotypes ) of the offspring of particular crosses. In medical genetics , cat models are occasionally used to discover the function of homologous human disease genes.
Fever coat is an effect known in domestic cats, where a pregnant female cat has a fever or is stressed, causing her unborn kittens' fur to develop a silver-type color (silver-grey, cream, or reddish) rather than what the kitten's genetics would normally cause. After birth, over some weeks the silver fur is replaced naturally by fur colors ...
Domestic cats have been diversified by humans into breeds and domestic and wild hybrids.Many such breeds recognized by various cat registries.Additionally, there are new and experimental breeds, landraces being established as standardized breeds, distinct domestic populations not being actively developed and lapsed (extinct) breeds.
In addition, 2,594,329 cat images had been manually annotated in flickr.com by users. [12] An interesting phenomenon is that many photograph owners tag their house cats as "tiger". [13] Eric Nakagawa and Kari Unebasami started the website I Can Haz Cheezburger in 2007, where they shared funny pictures of
The word "kitten" derives from the Middle English word kitoun, which in turn came from the Old French chitoun or cheton. [1] Juvenile big cats are called "cubs" rather than kittens; either term (but usually more commonly "kitten") may be used for the young of smaller wild felids, such as ocelots, caracals, and lynxes.
Allergies to cats, a type of animal allergy, are one of the most common allergies experienced by humans.Among the eight known cat allergens, the most prominent allergen is secretoglobin Fel d 1, which is produced in the anal glands, salivary glands, and, mainly, in sebaceous glands of cats, and is ubiquitous in the United States, even in households without cats.