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Cheyletiella blakei, the cat fur mite is typical. [15] These mites live within the fur of cats and dogs, feeding on sloughed scales of skin. Often this causes little reaction in the host, but pruritus, seborrhea and pustules in the skin may develop as an allergic reaction to the mites.
Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae, cultivated for its fruit (the peppercorn), which is usually dried and used as a spice and seasoning. The fruit is a drupe (stonefruit) which is about 5 mm (0.20 in) in diameter (fresh and fully mature), dark red, and contains a stone which encloses a single pepper seed.
Piperonal can be prepared by the oxidative cleavage of isosafrole or by using a multistep sequence from catechol or 1,2-methylenedioxybenzene.Synthesis from the latter chemical is accomplished through a condensation reaction with glyoxylic acid followed by cleaving the resulting α-hydroxy acid with an oxidizing agent.
Female cats and dogs are seven times more likely to develop mammary tumors if they are not spayed before their first heat cycle. [77] The high dietary estrogen content of the average commercial pet food may be contributing factors in the development of mammary cancer, especially when these exogenous sources are added to those normal estrogens ...
Piper, the pepper plants or pepper vines, is an economically and ecologically important genus in the family Piperaceae. It contains about 1,000–2,000 species of shrubs, herbs, and lianas , many of which are dominant species in their native habitat.
Cats exceeded dogs in number as pets in the United States in 1985 for the first time, in part because the development of cat litter in the mid-20th century eliminated the unpleasantly powerful smell of cat urine. [9] A 2007 Gallup poll reported that men and women in the United States of America were equally likely to own a cat. [10]
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Female cats (unspayed or spayed) produce a lower level of allergens than males, and neutered males produce a lower level of allergens than unneutered males. [27] In 2000, researchers at the Long Island College Hospital found that cat owners with dark-colored cats were more likely to report allergy symptoms than those with light-colored cats.