ANSC 2060 Chapter : Pests And Parasites
Document Summary
Jump onto hosts: adults live on host, female lays eggs daily, eggs fall off host and hatch in 4-6 days, bedding, carpet, rugs, mats, larvae feed on organic material, molt into pupa, cocoon. Fleas: mouthparts of adult fleas are adapted for puncturing animal skin and sucking blood, both male and female fleas suck blood, causes intense pruritis (itching, skin is irritated. Initial irritation, itching, and rash are caused by salivary secretions that the flea injects during feeding: flea allergy dermatitis tail head pruritis, hypersensitive to flea saliva. Arachnids (mites, ticks, scorpions, spiders: adults have 4 pair of legs and no antennae, 1st pair of appendages located in front of mouth for feeding, simple eyes, no wings, ectoparasites of ca. Immune system prevents overgrowth and infection: defective immune systems = infection. Localized or generalized: diagnosis: with a skin scrape. Juvenile or adult onset: hair loss, itchy, treatment: topical dips, topical treatments, oral medications.
