vpg logo Veterinary Parasitology
Trichostrongyle Life Cycles

Pasture Ecology

Haemonchus contortus
Ostertagia ostertagi
Cooperia spp.
Nematodirus spp.

Trichostrongylus axei
Trichostrongylus colubriformis
Dictyocaulus spp.


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NC State College of Veterinary Medicine
1060 William Moore Drive
Raleigh, NC 27607