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64 Cards in this Set
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Oxyuris equi AKA pinworm Size: Medium-Large Protruding plug, smooth outer shell Diagnostic test: Tape mount and fecal flotation Adults are found in the colon and rectum |
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Strongyles AKA Bloodworms Size: Medium-Large Thin shelled, oval, grape like clustersof cells (morulae) Diagnostic test: Fecal flotation Adults are found in the large intestine and cecum |
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Habronema spp. Size: small Larvated ova Adults are found in the stomach Causes gastritis and "summer sores" Clinical signs are diarrhea and vomiting |
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Strongyloides westeri AKA threadworm of equids Size: small Larvated ova Adults are found in the small intestine Causes anemia Clinical signs include diarrhea and dehydration |
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Anoplocephala sp. AKA Tapeworm Size: Small-Medium Irregularly shaped, 3 layered shell with an innermost lining, the pyriform apparatus (pear shaped) Diagnostic test: Gross examination or a fecal flotation Adults are found in the small intestine |
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Eimeria leukarti AKA Protozoa Size: Medium Large deep brown ova Adults are found in the small intestine Causes coccidiosis Clinical signs: asymptomatic |
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Cyathostomes AKA small strongyles Size: Small Thin shell, oval Adults are found in the cecum and the colon Causes gastritis Clinical signs: diarrhea |
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Strongyloides papillosus AKA Threadworm Size: small Diagnostic test: Fecal flotation |
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Gasterophilus sp Third larval stage in the GIT |
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Cryptosporidium sp. AKA Crypto (Ruminants and swine) Size: Small Adults are found in the small intestine Causes diarrhea |
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Cystoisospora suis AKA Protozoa (swine) Size: small Adults are found in the intestinal tract Causes neonatal diarrhea, and in severe conditions cause death |
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Trichuris suis AKA Whipworm of swine Size: Small Adults are found in the small intestine Causes diarrhea and dehydration (+/- blood in the feces) |
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Moneizia expansa AKA Tapeworm of bovines Size: small Adults are found in the small intestine Causes reduced growth in young animals |
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Ascaris suum AKA Roundworm of swine Size: Small-Medium Adults are found in the small intestine Causes liver condemnation Clinical signs include bacterial or viral pneumonia |
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Moneizia benedeni AKA Tapeworm of bovines Size: small Adults found in the small intestine Causes reduced growth in young animals |
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Trichuris ovis AKA Whipworms of ruminants Size: Medium Adults are found in the cecum and the colon Causes diarrhea |
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Parascaris equorum
AKA Roundworm in equids |
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Fasciola hepatica AKA Liver Fluke Size: Large Adults are found in the bile duct of the liver Causes production loss, anemia, illthrift, and death |
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Nematodirus sp. AKA Thread-Necked Worm Size: Large Adults are found in the small intestine Causes diarrhea |
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Cooperia spp. AKA Cattle Bankrupt Worm (in ruminants) Size: Medium Adults are found in the small intestine Causes diarrhea, anorexia, and depressed growth |
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Heamonchus contortus AKA Barber's Pole or Wire Worm (Ruminants) Size: Medium Adults are found in the abomasum Causes acute anemia, bottle jaw, chronic weight loss (in adults), and death |
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Eimeria Bovis AKA Protozoa (bovine) Size: small Adults are found in the intestinal tract Causes Coccidiosis and diarrhea (+/- blood) |
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Eimeria zuernii
AKA Protozoa (bovine) Size: Small Adults are found in the intestinal tract Causes coccidiosis and diarrhea (+/- blood) |
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Cuterebra AKA Rodent Bot Fly Sometimes seen on cats and dogs |
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Order: Siphonapterans (Fleas) Ctenocephalides felis=most common flea on both cats and dogs Ctneocephalids canis=uncommon and less frequent than C. felis Adults are laterally compressed, wingless, and powerful hind legs that are used for jumping |
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Flea Larva |
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Flea Dirt |
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Flea allergy
Causes dermatitis even in small infestations Can transmit disease, and are an intermediate host for Dipylidium caninum (double-pore tapeworm or flea tapeworm) |
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Argas persicus AKA Fowl Tick Soft tick of chickens, turkeys and wild birds NO scutum and their mouth parts are not visible when viewed dorsally |
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Dermacentor variabilis
AKA American Dog Tick or Wood Tick Dark brown, ornate scutum with white striping Hard Tick Vectore for: Rocky Mountain spotted fever and causes tick paralysis Adult females may appear engorged (blue/grey color) Recommend tick removal by a veterinarian |
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Rhipicephalus sanguineus AKA Brown Dog Tick 3 host Hard Tick Inornate, uniformly reddish-brown scutum and feeds almost exclusively on dogs Capitulum has prominent lateral extensions that give a hexagonal appearance Engorged female= slate grey Can be found indoors Host for Babesia canis |
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Ixodes scapularis AKA Deer Tick Affects humans and animals Vector for Lyme Disease Scutum ornate, basis capitulum parallel sided, NO fenestration |
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Damalinia spp. Affects cattle, horses and sheep Mallophaga (Biting) |
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Trichodectes canis Affects dogs Mallophaga (Biting)
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Demodex ova "pregnant banana" |
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Demodex spp. AKA Mange Found in the sebaceous glands and hair follicles Cigar shaped Adults have 8 legs Larvae have 6 legs |
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Sarcoptes Found in the hairless or thin-skinned areas of the body (large portions in severe cases) Have spines on the back, a terminal anus, anterior legs are short with long unjointed pedicles, and the posterior legs don't extend beyond the body and have bristles |
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Otodectes cynotis AKA ear mites Found in the ear canal |
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Psoroptes spp. Found in the ears of rabbits, sheep, goats, and horses Often first detected on the dorsum of the host Have jointed pedicles with suckers on the ends |
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Cheyletiella spp. AKA walking dandruff Found on the back of cats and can also be affected on the head Have claws on the mouthparts |
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Chorioptes spp. Found primarily on the lower body of the host Very short unjointed pedicles |
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Poultry Lice |
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Sheep Lice |
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Sheep Lice Ova |
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Cnemidocoptes spp. AKA Scaly Leg and Beak Mange Parasite of avians No dorsal spines Legs have claw-like structures instead of suckers |
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Haematopinus suis Sucking Lice Pig lice |
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Bovicola bovis Sucking Lice Cow Lice |
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Dictyocaulus filaria AKA Lungworm (sheep and goats) Size: Large Found in the trachea, bronchi, and bronchioles Clinical signs: causes severe respiratory signs |
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Dictyocaulus viviparous AKA Lungworm (bovine) Size: Large Found in the trachea, bronchi, and bronchioles Clinical signs: severe respiratory signs |
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Do Fleas Infest Ruminants and Equids |
Yes but it is VERY uncommon |
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Methods to Diagnose Fleas |
The use of a flea comb to collect nits and flea dirt Smudge the flea dirt with a small amount of water on white paper, the result should be red Visualize the adult flea |
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Two Families of Ticks |
Ixodidae (hard ticks- presence of a scutum) and Argasidae (soft ticks- no scutum) |
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Two Tick Species that Cause "Tick Paralysis" |
Dermacentor sp. and Ixodes sp. |
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Isospora spp. and Eimeria spp. |
Both reffered to as coccidia; Both genera affect in large animals; Similar in appearance; When sporulated, Eimeria has 4 sporocysts; Many Eimeria spp. have a micropyle at one end of the oocyst |
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Felicola subrostratus Chewing/biting lice |
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Trichodectes canis Chewing/Biting lice |
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Linognathus spp. Sucking lice Dog, cattle and sheep
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Solenoptes spp. |
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Anoplura |
Sucking lice Head is narrower than the thorax; Eggs (nits) are elongated and glued to the hairs; Lice on skin are usually in areas that can be protected from being rubbed off Animal become pruritic |
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Mallophaga |
Usually yellow and have a head that is wider than the widest portion of the thorax; Lice is on the skin and hair causing rubbing and scratching |
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Lice |
Transmitted easily via fomite or direct contact and among the young, old and malnourished animals SPECIES SPECIFIC (may live temporarily on different species but will not reside for a long period of time) To diagnose- take some hair clippings and observe nits under a magnifying lense or via the x4 or x10 objective lenses on a microscope |
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Psoroptid |
Long back legged mites |
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Sarcoptic |
Stubby back legged mites |
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Notoedres spp. AKA Feline Scabies or Head Mange Looks like sarcoptes but have no dorsal spines, and have a dorsal anus |