swine external parasites-unit 3

common name for Haematopinus suis

hog louse

is Haematopinus suis sucking or biting louse?

sucking (anopleuran); they’re large louse (1/4” long)

phylum/class of Haematopinus suis

arthropoda- insecta

location of Haematopinus suis

skin

what species does Haematopinus suis affect?

swine only (species specific)

life cycle for H. suis

entire life spent on the host

pathogenesis of H. suis

blood suckers= anemia on CBC

clinical signs of H. suis

erythema, alopecia, secondary bacterial infections

diagnosis of H. suis

find eggs/lice on pig

treatment for H. suis

ivermectin, doramectin, amitraz, permethrin

common name for Sarcoptes spp

swine scabies

phylum/class for swine scabies

arthropoda- arachnid

location of swine scabies

skin

what species does Sarcoptes spp affect?

swine only (species specific)

is swine scabies zoonotic?

no

life cycle of Sarcoptes spp

entire life spent on swine, burrow tunnels into the skin

pathogenesis of Sarcoptes spp

hyperkeratosis (thick skin), hypersensitivity (red and itchy)

clinical signs of swine scabies

occur 3-4 weeks after exposure to the mite, pruritus, excoriations, sores, scabs, crusting

diagnosis of Sarcoptes spp

skin scraping (difficult since it burrows), clinical signs

treatment for Sarcoptes spp

ivermectin, doramectin, amitraz