Lab – Parasitology II Final Questions And Answers Graded A+

tritrichomonas foetus name the parasite (DH: cattle) what it is: Tritrichomonas foetus treatment: no approved treatment prevention: bulls - considered infected for life once positive; use virgin bulls, don't borrow bulls, test the bulls after breeding, limit breeding season, and use AI cows - mount an immune response and can clear the infection in 2-6 months; vaccination may help (in the COWS not the bulls), cull open cows or remove for the breeding season for reproductive rest a client calls you out to their beef farm about his cows that can't seem to stay pregnant. you do a fecal, but can't find anything. you check the urine, but still find nothing. you decide to do a uterine wash and find this parasite. what is it, how can you treat it, and how can you prevent it? AD no (T. foetus is NOT zoonotic) is this parasite zoonotic? (DH: cattle) breeding (could have also gotten it from AI) (T. foetus) this was found in the cervix of a cow. how'd she get it? trophozoites are the diagnostic and infectious stage what is the diagnostic stage of T. foetus? what's the infectious stage? false; forms psuedocysts t/f: T. foetus forms cysts 3 anterior, 1 posterior how many anterior flagella and posterior flagella does T. foetus have? T. blagburni (looks EXACTLY like T. foetus, but different hosts) name the parasite (DH: felids) what it is: T. blagburni treatment: ronidazole (30-50 mg/kg q 24hrs for 14 days) prevention: quarantine the kitten, no litter box sharing, no new introductions an 18 month kitten is brought into your clinic. your client says their kitten has been having chronic diarrhea. you perform a fecal and recover these parasites. what is it? how are you going to treat it? what are you going to tell the client about prevention? trophozoite is the diagnostic and infectious stage what is the diagnostic stage of T. blagburni? what's the infectious stage? no is T. blagburni zoonotic? fecal-oral how is T. blagburni transmitted? AD what it is: Histomonas meleagridis ROI: fecal-oral (ingesting Heterakis eggs), fecal-fecal (cloacal drinking) treatment: there's no effective treatment prevention: deworm flocks frequently, raise birds off the ground, keep chickens and turkeys separate a deceased turkey was brought into your clinic for you to perform a necropsy. you noticed these bulls-eye lesions on the liver. what did this turkey likely die from? how did it get it? could you have treated the turkey before it died? what are you going to tell the client regarding prevention for their other turkeys? no is H. meleagridis zoonotic? b. trypomastigote stage you're performing a blood smear on a suspected T. cruzi infected dog. what stage is this? a. amastigote stage b. trypomastigote stage b. trypomastigote stage