Podcast
Questions and Answers
What distinguishes Cryptosporidium parvum from other species within the Cryptosporidium genus?
What distinguishes Cryptosporidium parvum from other species within the Cryptosporidium genus?
Which option is a common clinical sign associated with Ostertagia and Teladorsagia infections in calves?
Which option is a common clinical sign associated with Ostertagia and Teladorsagia infections in calves?
Which method is recommended for the diagnosis of Cryptosporidium oocysts?
Which method is recommended for the diagnosis of Cryptosporidium oocysts?
What characteristic appearance is noted in the abomasum of calves infected with Ostertagia?
What characteristic appearance is noted in the abomasum of calves infected with Ostertagia?
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Which species of Eimeria is primarily responsible for severe coccidiosis in young calves?
Which species of Eimeria is primarily responsible for severe coccidiosis in young calves?
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Which of the following treatments is recommended for wool strike caused by Calliphoridae in sheep?
Which of the following treatments is recommended for wool strike caused by Calliphoridae in sheep?
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What clinical sign is primarily associated with Psoroptes ovis in sheep?
What clinical sign is primarily associated with Psoroptes ovis in sheep?
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Which species of lice is commonly found in cattle?
Which species of lice is commonly found in cattle?
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What anatomical feature distinguishes Linognathus from other lice?
What anatomical feature distinguishes Linognathus from other lice?
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What is a primary preventive measure to avoid wool strike in sheep?
What is a primary preventive measure to avoid wool strike in sheep?
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Which parasitic species is responsible for causing skin issues in both cattle and sheep?
Which parasitic species is responsible for causing skin issues in both cattle and sheep?
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How do Hypoderma spp. larvae affect the host after they burrow into the skin?
How do Hypoderma spp. larvae affect the host after they burrow into the skin?
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Which of the following is a recommended treatment for scabies caused by Psoroptes ovis?
Which of the following is a recommended treatment for scabies caused by Psoroptes ovis?
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What is the main characteristic of Otobius megnini?
What is the main characteristic of Otobius megnini?
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Which treatment is effective against Chorioptes bovis?
Which treatment is effective against Chorioptes bovis?
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What is a potential consequence of high numbers of Trichostrongylus infections in sheep?
What is a potential consequence of high numbers of Trichostrongylus infections in sheep?
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What clinical signs are common in sheep after shipping due to Eimeria infection?
What clinical signs are common in sheep after shipping due to Eimeria infection?
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Which of the following treatments is off-label for Eimeria infections?
Which of the following treatments is off-label for Eimeria infections?
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Which characteristic differentiates Railletia auris from other mites?
Which characteristic differentiates Railletia auris from other mites?
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What defining feature of Chorioptes bovis distinguishes it from other mites?
What defining feature of Chorioptes bovis distinguishes it from other mites?
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In what stage do larvae of Trichostrongylus typically survive the winter?
In what stage do larvae of Trichostrongylus typically survive the winter?
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Which condition is primarily associated with Eimeria infection in cattle?
Which condition is primarily associated with Eimeria infection in cattle?
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What is a common diagnostic method for detecting Strongyloides papillosus in ruminants?
What is a common diagnostic method for detecting Strongyloides papillosus in ruminants?
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Which treatment is NOT effective against Paramphistomum cervi infections in cattle?
Which treatment is NOT effective against Paramphistomum cervi infections in cattle?
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Which of the following is NOT associated with Tritrichomonas foetus infection in cattle?
Which of the following is NOT associated with Tritrichomonas foetus infection in cattle?
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Which statement about Neospora caninum is true regarding its effects on cattle?
Which statement about Neospora caninum is true regarding its effects on cattle?
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What is the primary method of transmission for Tritrichomonas foetus?
What is the primary method of transmission for Tritrichomonas foetus?
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Which of the following is a common symptom of Eimeria infection in calves during winter?
Which of the following is a common symptom of Eimeria infection in calves during winter?
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Which treatment is advised to avoid in horses when treating coccidiosis?
Which treatment is advised to avoid in horses when treating coccidiosis?
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Which nematode is known to cause sudden death in ruminants?
Which nematode is known to cause sudden death in ruminants?
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Which control measure is NOT suggested for Besnoitia in cattle?
Which control measure is NOT suggested for Besnoitia in cattle?
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What is the primary symptom of Oestrus ovis infection in sheep?
What is the primary symptom of Oestrus ovis infection in sheep?
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What is the life cycle phase for Dictyocaulus larvae that first appears in feces?
What is the life cycle phase for Dictyocaulus larvae that first appears in feces?
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In cattle, which diagnostic method is commonly used for detecting Theileria orientalis?
In cattle, which diagnostic method is commonly used for detecting Theileria orientalis?
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Study Notes
Parasites by Host: Ruminants
- This presentation covers parasites affecting ruminants, focusing on diagnosis, treatment, and prevention.
- The goals are to provide a differential list of parasites causing observed clinical signs, develop a diagnostic plan to rule out specific parasites, create a treatment plan based on the identified parasite, and inform owners about parasite prevention.
- Examples of parasites discussed include blow flies, Psoroptes ovis, various sucking lice, Hypoderma spp., Otobius megnini, Railletia auris, Chorioptes bovis, Trichostrongylus spp., Eimeria spp., Paramphistomum cervi, Strongyloides spp., Oestrus ovis, Muellerius spp., Dictyocaulus spp., Tritrichomonas foetus, Neospora caninum, and Besnoitia.
- Each parasite has specific characteristics like morphology, life stages, diagnostic methods, and treatments.
- Diagnosing parasites involves identification of clinical signs, testing like fecal flotations, and determining the best course of action (e.g., medication or other treatment).
Wool Strike (Blow Flies)
- Blow flies cause wool strike in sheep.
- The parasite targets areas soiled with urine or feces and areas wet from rain.
- Toxins from myiasis (tissue infestation) can lead to death.
- Treatment includes insecticides like coumaphos or cyromazine.
- Prevention methods include clipping wool around sensitive areas and docking tails.
- Removal of redundant skin folds is part of the solution.
Psoroptes Ovis
- This parasite is known for causing scabies in cattle, sheep, and horses.
- It causes intense itching, skin lesions, and wool loss.
- The parasite pierces the skin at the base of hairs to feed.
- The parasite is prevalent in the southwestern U.S.
- Treatment includes macrocyclic lactones and coumaphos.
Other Parasites (General)
- The presentation mentions multiple other parasites, each with distinct characteristics, life cycles, and clinical implications.
- Parasites are categorized by their host and the symptoms they cause.
- Treatments and diagnostic techniques vary according to the specific type of parasite.
Specific Ruminant Parasites
- The parasites mentioned each have specific names (e.g., Linognathus vituli, Solenopotes capillatus, Cryptosporidium parvum, Ostertagia, Hypoderma.).
- The characteristics relevant to diagnostics, treatments and more are discussed.
Common Symptoms (Diarrhea, Coughing, etc.)
- The presentation discusses various symptoms, including diarrhea, in ruminants.
- The various cause of diarrhea (e.g., parasites, protozoa, etc,) in ruminants were discussed.
- Different diagnostic approaches were presented depending on the symptom and the parasite causing the issue.
- Specific diagnostic tests and their application were presented.
- Various treatments and prevention methods were explained.
Practice Questions
- There is a set of practice questions about parasites, their characteristics, diagnoses, and treatments.
- The questions cover the morphological features of some of the parasites, diagnostic methods, and treatment plans.
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Description
This quiz explores the various parasites that affect ruminants, detailing their diagnosis, treatment, and prevention methods. Participants will learn to identify clinical signs and develop diagnostic and treatment plans tailored to specific parasites. Key examples include various species of lice, worms, and protozoa that impact ruminant health.