Sheep, Helminths, Haemonchus contortus, Ostertagia ostertagi, Trichostrongylus, Nematodirus, Bunostomum trigonocephalum, Moniezia, Chabertia ovina, Dictyocaulus filaria
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Parasitic worms of sheep occur so widely that they are a problem of most flocks.
While a few worms might be of little consequence, worms can kill many sheep and could cause serious economic loss in the agricultural areas of W.A.
This first article describes the types of worms and their effects on sheep.
Butler, R W.
"Worms in sheep. 1. The worms which infest sheep in W.A,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 7
, Article 2.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol7/iss7/2