The Brown (or medium) stomach worm (Ostertagia circumcincta) is one of the three common stomach worms that infect goats.

Additional animations describing the life cycles of parasites that infect the goat.

Cryptosporidium
Eimeria spp. (coccidian)

Dictyocaulus vivparus (lungworm)
Muellerius capillaris (goat lung worm)

Fasciola hepatica (liver fluke)

Haemonchus contortus (barber pole worm)
Ostertagia circumcincta (brown stomach worm)
Trichostrongylus spp. (hair worm)
Nematodirus spp (thin-necked intestinal worm)
Oesophagostomum columbianum (nodular worm)
Strongyloides papillosus (common thread worm)

Parelaphostrongylus tenuis (brain or meningeal worm)
Trichuris ovis (whipworm)
Moniezia expansa (tapeworm)

Return to Goat Biology Home