Persian onager the Asiatic wild ass is known simply as onager, it now also serves as the Persian wild ass's scientific name, as well ("Equus hemionus onager"). Information on the basic biology of the subspecies and how it differs from others is lacking, which hampers conservation efforts. Onagers used to be numerous from the Middle East to China. However, until the 19th century, their population has been reduced from several thousand to a few thousand. Currently, more than 600 Persian onagers are living in the wild. Persian wild asses are known to inhabit mountain steppes, semidesert, or desert plains. They are usually
Animal allergy immune system reacts to substances (allergens) that are generally harmless and in most people do not cause an immune response. Animal allergy In medicine, animal allergy is hypersensitivity to certain substances produced by animals, such as the proteins in animal hair and saliva. It is a common type of allergy. Symptoms of an allergic reaction to animals may include itchy skin, nasal congestion, itchy nose, sneezing, chronic sore throat or itchy throat, swollen, red, itchy, and watery eyes, coughing, asthma, or rash on the face or chest. Allergies are caused by an oversensitive immune system, leading to a misdirected immune