Question
Why are dipteran flies considered significant agent of diseases in animals? Give names of any three such flies and describe their pathogenic effects in animals.
Answer :
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Dipteran flies are considered significant agents of diseases in animals because of their close association with animal hosts, their ability to transmit pathogens mechanically or biologically, and their role as both vectors and direct parasites. Many dipteran flies breed in filth, animal waste, carcasses, or moist organic matter, which enables them to acquire and disseminate disease-causing organisms. Their feeding habits, such as blood-sucking or feeding on body secretions and wounds, facilitate the transmission of viruses, bacteria, protozoa, and helminths. In addition, several dipteran species themselves cause pathological conditions through biting, blood loss, allergic reactions, toxicosis, and myiasis. The wide distribution, high reproductive potential,
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