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Deafness in animals can occur as either unilateral (one ear affected) or bilateral (both ears affected). This occurrence of either type of deafness seems to be relatively the same in both mixed-breed animals and pure-breed animals. [5] Research has found a significant association between deafness in dogs and the pigment genes piebald and merle ...
According to the ASPCA Complete Guide to Cats, "17 to 20 percent of white cats with non-blue eyes are deaf; 40 percent of "odd-eyed" white cats with one blue eye are deaf; and 65 to 85 percent of blue-eyed white cats are deaf." [6] In one 1997 study of white cats, 72% of the animals were found to be totally deaf.
In one study, 45% of the dogs that reached 10 years of age or older died of cancer. [ 1 ] Skin tumors are the most frequently diagnosed type of tumor in domestic animals for two reasons: 1. constant exposure of animal skin to the sun and external environment, 2. skin tumors are easy to see because they are on the outside of the animal.
Institutional Animal Care and Use Committees (IACUCs) are centrally important in applying laws about animal research in the United States.Similar systems operate in other countries, but generally under different titles; for example, in Canada a typical title would be the University Animal Care Committee (UACC), while in the United Kingdom it would be the Animal Welfare and Ethical Review Body ...
Cerebral deafness (also known as cortical deafness or central deafness) is a disorder characterized by complete deafness that is the result of damage to the central nervous system. The primary distinction between auditory agnosia and cerebral deafness is the ability to detect pure tones, as measured with pure tone audiometry.
Canine cancer detection is an approach to cancer screening that relies upon the claimed olfactory ability of dogs to detect, in urine or in breath, very low concentrations of the alkanes and aromatic compounds generated by malignant tumors. While some research has been promising, no verified studies by secondary research groups have ...
Defects in this gene lead to the most common form of congenital deafness in developed countries, called DFNB1 (also known as connexin 26 deafness or GJB2-related deafness). [7] One fairly common mutation is the deletion of one guanine from a string of six, resulting in a frameshift and termination of the protein at amino acid number 13. Having ...
Schematic structures of dysferlin, myoferlin, and otoferlin; three ferlin proteins that are associated with human diseases. Lack of functional dysferlin can cause a group of muscular dystrophies knows as dysferlinopathies. Myoferlin is highly expressed in several types of cancer, and mutations in otoferlin can cause deafness.