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attacking many animals in any region at the same time; widely diffused and rapidly spreading.
1. a disease that affects a large number of animals in some particular region within a short period of time.
2. a disease of high morbidity that is only occasionally present in an animal community.
1. Denoting a temporal pattern of disease occurrence in an animal population in which the disease occurs with a frequency clearly in excess of the expected frequency in that population during a given time interval.
2. An outbreak (epidemic) of disease in an animal population.
[epi- + G. zōon, animal]
Occurring at the same time among an unusually large number of animals in a particular geographic area. Used of a disease.
An epizootic disease.
a disease or condition that occurs at about the same time in many individuals of the same species in a geographic area.
epizooticEpidemiology An outbreak or epidemic of disease in an animal host populations
1. Disease occurrence in an animal population with a frequency clearly in excess of the expected.
2. An outbreak (epidemic) of disease in an animal population; often with the implication that it may also affect human populations.
[epi- + G. zōon, animal]
epizooticAffecting a large number of animals within a short period, especially of a disease.
epizootic(of a disease) suddenly and temporarily affecting a large animal population.
a disease which attacks many subjects in a region at the same time but is only occasionally present in the population; when it occurs it is widely diffused and rapidly spreading. The rarely used equivalent of epidemic in veterinary medicine.
see equine viral rhinopneumonitis.
see equine viral arteritis.
a disease of rabbits, hares, deer mice, squirrels and muskrats caused by Chlamydophila psittaci M56 serovar and characterized by septicemia, fever, diarrhea.
epizootic diarrhea of infant mice
see murine epizootic diarrhea.
epizootic hematopoietic necrosis
reported only in Australian redfin perch and rainbow trout; characterized by massive mortalities in juvenile perch but dribbling mortalities in trout; caused by an iridovirus. May have originated in amphibians.
epizootic hemorrhagic disease of deer
is caused by an orbivirus antigenically similar to the virus of Ibaraki disease, a bluetongue-like disease of cattle. The disease is clinically similar to bluetongue in sheep and causes very heavy mortalities in deer herds.
epizootic hemorrhagic septicemia
see hemorrhagic septicemia.
a chronic, contagious disease of horses caused by Histoplasma capsulatum var farciminosum (or Blastomyces, Cryptococcus, Saccharomyces, Zymonema). It is characterized by suppurative lymphangitis, lymphadenitis and cutaneous ulcers. Lesions may also occur on the muzzle and nasal mucosa, in the eye causing keratitis, and also in the lungs causing pneumonia. The disease is an important one on its own account but it also has importance because of its similarity to glanders. Called also pseudoglanders.
see chronic respiratory disease. Called also CRD.
epizootic ulcerative syndrome
important cause of loss in ornamental fish and foodfish; extensive ulceration causes loss of fins, tail, jaw, and penetrates the abdominal wall. The cause has not been identified.