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Parasites

Many internal parasites commonly affect sheep and goats. They fall into four categories: nematodes (roundworms), cestodes (tapeworms), trematodes (flukes), and protozoa (coccidia). The parasites that cause the most problems on a farm or to an animal depend upon the geographic location of the farm, weather conditions, and season. On this page, links are arranged alphabetically according to worm species or subject category: general links, liver flukes, lungworms, meningeal worm, roundworms, and tapeworms.

General parasitiology links

Atlas of medical parasitology
Biology of parasitism (course outline) - UC Davis
CAPARA Caprine Parasitology
Guide to internal parasites of ruminants - Mid-America Ag. Res. Inc.
Parasitology images: an auto tutorial
Parasitology teaching resources @ Oklahoma State University
[PDF] Sheep immunity to GI nematode parasites: a review - CSIRO Aust.
Southern Consortium for Small Ruminant Parasite Control (SCSRPC)
Veterinary parasitology @ NCSU
Veterinary parasitology web site @ University of Wisconsin
VPTH 603 Veterinary Parasitology - University of Pennsylvania
[PDF] Understanding the life cycle of ruminant parasites - Moredun Found.
WormBoss @ Australian Wool Innovation
[PDF] Worm parasite atlas - Intervet USA

Liver flukes

Common liver fluke - Merck Vet Manual
[PDF] Control of liver fluke - Victoria, Australia
Fasciola - AU.Merial.com
Fasciola biology - University of Pennsylvania
Keep liver fluke at bay - TEAGASC | PDF
Liver fluke - Aust. Wool Innovation (WormBoss)
Liver fluke diseases - University of Sydney
[PDF] Liver fluke disease and the liver fluke snail - Western Australia
Liver fluke disease in sheep - Moredun Foundation
[PDF] Liver fluke disease in sheep - Quality Meat Scotland
[PDF] Liver fluke disease in sheep and cattle - NSW, Australia
Liver fluke in goats - Goat-Link.com
[PDF] Liver fluke in sheep - NADIS UK
Liver flukes - Univ. of Northern British Columbia
[PDF] Liver fluke control in sheep - Dalehead Vet Group UK
Liver flukes in Alberta's livestock
Liver flukes in Michigan
Liver fluke: the basics - NSW, Australia | PDF

Lungworms

Lungworm - Goat-Link.com
Lungworm infection - Merck Veterinary Manual
Lungworms - University of Sydney
Lungworms in cattle, sheep, and goats - NSW, Australia | PDF
Lungworm larvae ID - RVC/FAO Guide to Vet. Diag. Parasitology
Lungworms - Onion Creek Ranch
Lungworms - University of Aberdeen

Meningeal worm

Brainworm - Michigan DNRE
Brainworm nematode - Fairfax Co. Public Schools
Diagnosing and treating meningeal worms - GoatWorld
[PDF] Distribution of meningeal worm in South Dakota
Meningeal worm
Meningeal worm infection in goats - Onion Creek Ranch
[PDF] Meningeal worms (brain worms) and liver flukes (deer flukes)
[PDF] Meningeal worms in sheep, goats, and llamas - University of Georgia
Parelaphostrongylus (brainworm) infection in deer and elk
Parelaphostrongylus tenius (meningeal worm) - GoatConnection
Pareloaphostrongylus tenius infection in llamas and alpacas - Ohio State
[PDF] Prevention of meningeal worm infection - University of Georgia
[PDF] P. tenius: the white-tailed deer parasite - Michigan State University
[PDF] Quest for a meningeal worm vaccine - Alpaca Research Foundation

Roundworms / nematodes

Haemonchus, Ostertagia, and Trichostrongylus spp. - Merck Vet
Parasites and disease - University of Sydney
Roundworm review - University of Aberdeen

Barber pole worm - Haemonchus contortus

Barber pole worm - Florida Cracker Boer Goats
Barber pole worm - Goat-link.com
Barber pole worm: parasites of another stripe - GoatWorld
[PDF] Barber's Pole Worm - Animal Health Centre (Anexa, NZ)
[PDF] The barber pole worm: how to cope with a killer - Sweetlix®
Haemonchus - AU.Merial.com
Haemonchus - University of Sydney
Haemonchus contortus biology - University of Pennsylvania
Haemonchus contortus infestation in goats - Alabama CE | PDF
[ANIMATION] Haemonchus contortus life cycle - Biology of the Goat
[PDF] Haemonchus contortus: Parasite Problem #1...- Trop. Biomed.
[PDF] Management of barber pole worm...in Southern U.S.
[PDF] Sheep worms: barber's pole worm - Western Australia

Black scour worm - Trichostrongylus sp.

Bankrupt worm - AU.Merial.com
Black scour worm - Australian Wool Innovation (WormBoss)
Trichostrongylus - University of Sydney

Brown stomach worm - Ostertagia (Teladorsagia) sp.

Brown stomach worm - Australian Wool Innovation (WormBoss)
Ostertagia - AU.Merial.com
Ostertagia - University of Sydney

Nematodirus

Nematodirus - AU.Merial.com
Nematodirus: an underated parasite - Sheep Vet Online
[PDF] Nematodirus - NADIS UK
Nematodirus - Roundworm Review, University of Aberdeen
Nematodirus disease - Moredun Foundation
Nematodirus in lambs - C.A.H.L.
Thin necked intestinal worm - Aust. Wool Innovation (WormBoss)

Nodule worm - Oesophagostumum

Chabertia and oesophagostomum - University of Sydney
Nodule worm - Aust. Wool Innovation (WormBoss)
[PDF] Nodule worm of sheep - NSW, Australia
Oesophagostomum - AU.Merial.com
Oesophagostomum sp. - Merck Veterinary Manual

Other

Other nematode parasites - University of Sydney

Small intestinal worm - Cooperia spp.

Cooperia spp. - Merck Veterinary Manual
Cooperia - University of Sydney
Small intestinal worm - Australian Wool Innovation (WormBoss)

Threadworm - strongyloides

Intestinal threadworm - AU.Merial.com
Strongyloides spp. - The Worm Book

Tapeworms

[ANIMATION] Double-pored ruminant tapeworm - Biology of the Goat
Tapeworms: the effect on goat kids - Goat-link.com
Moniezia - AU.Merial.com
Tapeworms of sheep - Australian Wool Innovation (WormBoss)
Tapeworms - Bayer Animal Health
Tapeworms - University of Sydney
Tapeworms: problem or not?
[PDF] Turning the worm (go to page 6-7)
WormLearn Tapeworms

Sheep measles

Don't let your dog spread measles - Lifestyle Block NZ
[PDF] Impact of dog tapeworms on your sheep - Alberta Sheep
Ovis Management Ltd: Sheep Measles Education
[PDF] Sheep measles: another profit killer - NSW, Australia
[PDF, flyer] Sheep measles and bladder worms - Colorado St. Univ
Sheep measles: how to control this on farm - Totally Vets NZ
Taenia - NZ.Merial.com
Tapeworms causing cysts in sheep - Australian Wool Innovation
[PDF] Worming programme for sheep measles protection

 

 

Tapeworms are usually not pathogenic (disease-causing).

The Maryland Small Ruminant Page [sheepandgoat.com] is a privately-owned web site. It was created in 1998 as an information portal for sheep and goat producers and anyone else interested in small ruminant production. The web site includes original documents and images as well as a comprehensive list of links pertaining to small ruminants and related topics. The web site was developed and is solely maintained by Susan Schoenian. Susan is an Extension Sheep & Goat Specialist at the University of Maryland's Western Maryland Research & Education Center in Keedsyville, Maryland. She has been with University of Maryland Extension since 1988. Susan holds B.S. and M.S. degrees in Animal Science from Virginia Tech and Montana State University, respectively. She raises purebred and crossbred Katahdin sheep on her small farm called The Baalands in Clear Spring, Maryland. Please direct all questions, comments, or suggestions to Susan at sschoen@umd.edu.

Disclaimer: The information and links contained on the Maryland Small Ruminant Page [sheepandgoat.com] and other pages created by Susan Schoenian are for informational purposes only and do not constitute an endorsement of any person, organization, business, product, or web site. The author disclaims any liability in connection with the use of this information. Common sense and sound judgement should be applied to all information obtained from the web, regardless of source. In matters of animal health, producers are advised to seek competent veterinary assistance.

Last updated 28-Jul-2011 by Susan Schoenian.