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59 Cards in this Set
- Front
- Back
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Haemonchus contortus
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Host: Small Ruminants
Transmission: Ingestion of L3 larvae |
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Haemonchus placei
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Host: Cattle
Transmission: Ingestion of L3 larvae |
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Ostertagia ostertagii
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Host: Cattle, deer
Transmission: Ingestion of L3 larvae |
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Teladorsaga (Ostertagia) circumcincta
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Host: Sheep and Goats
Transmission: Ingestion of L3 larvae |
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Trichostrongylus axei
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Host: Ruminants (esp. goats), horses, swine
Transmission: Ingestion of L3 larvae |
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Trichostrongylus colubriformis
T. circumcincta |
Host: Goats
Transmission: Ingestion of L3 larvae |
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Cooperia pectinata
C. punctata C. onchophora |
Host: Cattle (mostly calves and replacements)
Transmission: Ingestion of L3 larvae |
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Nematodirus battus
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Host: Sheep (UK, some encroachment into NW states)
Transmission: Ingestion of L3 larvated egg |
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Nematodirus helvetianus
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Host: Cattle
Transmission: Ingestion of L3 larvated egg |
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Bunostomum phlebotomum
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Host: Cattle
Transmission: Ingestion of or skin penetration by L3 larvae |
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Bunostomum trigonocephalum
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Host: Sheep
Transmission: Ingestion of or skin penetration by L3 larvae |
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Strongyloides papilosus
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Host: Young sheep, goats, and cattle
Transmission: transmammary, skin penetration, or fecal-oral; L3 larvae |
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Toxocara vitulorum
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Host: cattle, buffalo, bison
Transmission: transmammary; L2 larvated egg |
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Moneizia expansa
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Host: Sheep and goats
Transmission: Ingestion of cysticercoid in Oribatid mites (live in litter at base of forage) |
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Moneizia benedeni
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Host: Cattle
Transmission: Ingestion of cysticercoid in Oribatid mites (live in litter at base of forage) |
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Cryptosporidium parvum
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Host: Very young animals/neonates; dairy calves, lambs, kids, humans
Transmission: Ingestion of sporulated oocyst; can be autoinfected by release of sporozoites from oocyst within the body |
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Oesophagostomum radiatum
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Host: Cattle
Transmission: skin penetration (major) or ingestion (minor) of L3 larvae |
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Oesophagostomum columbianum
O. venulosum |
Host: Sheep and goats
Transmission: skin penetration (major) or ingestion (minor) of L3 larvae |
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Chabertia ovina
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Host: ruminants (esp. sheep)
Transmission: Ingestion of L3 larvae |
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Trichuris ovis
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Host: sheep, goats, camelids
Transmission: Ingestion of L1 larvated egg |
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Trichuris discolor
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Host: cattle, sheep, goats
Transmission: Ingestion of L1 larvated egg |
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Trichuris globulosa
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Host: cattle, sheep, camelids, exotic antelopes
Transmission: Ingestion of L1 larvated egg |
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Eimeria zuernii
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Host: Cattle
Transmission: Ingestion of sporulated oocysts |
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Eimeria ovinoidalis
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Host: Sheep
Transmission: Ingestion of sporulated oocysts |
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Eimeria arlongi
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Host: Goats
Transmission: Ingestion of sporulated oocysts |
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Eimeria macusaniensis
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Host: Cameloids
Transmission: Ingestion of sporulated oocysts |
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Fasciola gigantica
F. hepatica |
Host: Mammals
Transmission: Ingestion of metacercaria (produced by right-handed amphibious snails) on vegetation |
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Fascioloides magna
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Host: Deer (other mammals are aberrant hosts)
Transmission: Ingestion of metacercaria (produced by amphibious snails) on vegetation |
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Dicrocoelium dendriticum
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Host: Sheep, cattle, goats
Transmission: Ingestion of 2nd IH (Formica ant- will cling to vegetation) infected with metacercaria |
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Thysanosoma actinoides
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Host: Sheep, other ruminants, NOT cattle
Transmission: Ingestion of psocids (book lice) infected with cysticercoid |
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Sertaria labiatopapillosa
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Host: Ruminants (mainly cattle in US)
Transmission: Mosquitos take blood meal and deposit L3 larvae |
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Taenia hydatigena
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Host: sheep, cattle, pigs, goats (are IH, NOT DH)
Transmission: Ingestion of egg from DH (canids) |
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Echinococcus granulosus
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Host: ruminants, swine, horses, humans (are IH, NOT DH)
Transmission: Ingestion of egg from DH (canids) containing embryophore |
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Dictyocaulus viviparous
D. filaria |
Host: Sheep
Transmission: L3 larvae |
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Protostrongylus rufescens
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Host: sheep and goat
Transmission: Ingestion of snails infected with L3 larvae |
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Mulleris capillaris
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Host: sheep and goats
Transmission: Ingestion of snails infected with L3 larvae |
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Oestrus ovis
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Host: sheep most common
Transmission: non-feeding adult fly larviposits near nose; larvae crawl into sinuses |
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Cephenemyia spp.
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Host: Deer
Transmission: Adult flies larviposit in nostrils; larvae crawl into nasal cavity and pharyngeal pouches |
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Trypanosoma vivax
T. congolense T. brucei |
Host: ruminants
Transmission: Salivarian- metacyclic trypomastigotes are transmitted by bite from tsetse fly |
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Trypanosoma theileri
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Host: Ruminants
Transmission: Stercorarian- accidental ingestion of horse fly infected with trypomastigote or contamination of a wound with infected fecal material |
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Babesia bigemina
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Host: Cattle
Transmission: Salivarian from bite of nymph form of Rhipicephalus (Boophilus) annulatus |
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Babesia bovis
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Host: Cattle
Transmission: Salivarian from bite of larval form of Rhipicephalus (Boophilus) microplus |
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Theileria parva
T. annulata |
Host: cattle and buffalo
Transmission: Salivarian transmission of sporulated oocysts from tick bite |
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Theileria cervi
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Host: White-tailed deer
Transmission: Salivarian transmission of sporulated oocysts via tick bite |
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Thelazia californensis
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Host: sheep, deer
Transmission: L3 larvae are deposited from labium when Diptera fly (Fanna and Musca spp.) feeds on eye secretions |
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Thelazia gulosa
T. skrjabini |
Host: Cattle
Transmission: L3 larvae are deposited from labium when Diptera fly (Fanna and Musca spp.) feeds on eye secretions |
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Parelaphastrongylus tenuis
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Host: white-tailed deer; other ruminants are aberrant hosts
Transmission: Ingestion of land snails/slugs infected with L3 larvae |
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Taenia multiceps
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Host: Sheep (IH, NOT DH)
Transmission: Ingestion of eggs produced by DH (canids) |
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Taenia saginata
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Host: Cattle (IH, NOT DH)
Transmission: Ingestion of eggs produced by DH (humans) |
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Taenia ovis
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Host: Sheep (IH, NOT DH)
Transmission: Ingestion of eggs produced by DH (canids) |
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Sarcocystis spp.
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Host: Ruminants (IH, NOT DH)
Transmission: Ingestion of sporulated oocysts produced by DH (carnivores) |
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Tritrichomonas foetus
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Host: Cattle
Transmission: Venereal (especially from carrier bulls that are asymptomatic) |
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Toxoplasma gondii
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Host: Mammals (IH, NOT DH)
Transmission: Ingestion of sporulated oocysts from DH (cats); transmission can occur from food animals to humans via ingestion of tissue forms containing tachyzoites; vertical- transplacental/transmammary |
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Neospora caninum
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Host: Ruminants (IH, NOT DH)
Transmission: Ingestion of sporulated oocysts produced by DH (canids); some vertical transmission, causing calves to be born with myelitis |
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Elaeophora schneideri
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Host: deer, sheep, goats, wapiti
Transmission: Salivarian transmission of L3 larvae by horse fly |
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Stephanofilaria stilesi
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Host: cattle, buffalo
Transmission: Salivarian transmission of larvae by horn fly |
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Onchocerca lienalis
O. gibsoni O. armillata |
Host: cattle, buffalo
Transmission: L3 larvae from labium of feeding flies (Simulium spp.) |
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Hypoderma lineatum
H. bovis |
Host: Cattle
Transmission: Non-feeding adult flies attach eggs to lower legs and larvae enter body through hair follicle |
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Dermatobia hominis
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Host: Cattle (most common), also sheep, humans, cats, dogs
Transmission: Adult flies deposit eggs on arthropod IH (mosquitos, ticks), and larvae penetrates skin of DH while IH is taking a blood meal |
