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Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [6] It is classified as a type I hypersensitivity reaction . [ 8 ]
Consistency in feeding horses is important and the hay is just another feed component. A great number of horses suffer from respiratory conditions that is a direct result of the hay they are feeding on. Stored hay contains dust and fungal spores that can cause irritation and inflammation, that can lead to COPD, airway and digestive conditions.
The hay at risk for increased volumes of spores is found at the bottom of the pile. [11] The presence of Farmer's Lung Disease peaks during late winter and early spring and is mostly seen after the harvest season when symptoms have set in. [ 12 ] This disease is most prevalent in damp climates .
[7] [8] Aeroallergens can cause EG. [9] [10] The stomach is the organ most commonly affected, followed by the small intestine and the colon. [11] [12] As a part of host defense mechanism, eosinophil is normally present in gastrointestinal mucosa, though finding in deeper tissue is almost always pathologic. [13]
Allergic rhinitis or hay fever may follow when an allergen such as pollen, dust, or Balsam of Peru [36] is inhaled by an individual with a sensitized immune system, triggering antibody production. These antibodies mostly bind to mast cells, which contain histamine. When the mast cells are stimulated by an allergen, histamine (and other ...
[5]: 28 Most infections are viral in nature, and in other instances, the cause is bacterial. [6] URTIs can also be fungal or helminthic in origin, but these are less common. [7]: 443–445 In 2015, 17.2 billion cases of URTIs are estimated to have occurred. [1] As of 2016, they caused about 3,000 deaths, down from 4,000 in 1990. [8]
Grass sickness, alternatively termed equine dysautonomia, is a rare but predominantly fatal illness in horses.Grass sickness may affect all types of horse, pony and donkey, and has affected some well known horses including the thoroughbred stallions Dubai Millennium, Moorestyle and Mister Baileys.
Allergen immunotherapy, also known as desensitization or hypo-sensitization, is a medical treatment for environmental allergies (such as insect bites) and asthma. [1] [2] Immunotherapy involves exposing people to larger and larger amounts of allergens in an attempt to change the immune system's response.