Bacteriology Exam 2 – Flashcards
106 test answers
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| EPEC/ETEC clones can cause _______ when they become systemic in calves that did not recieve ___________ |
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| 1) endotoxic shock 2) colostrum |
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| What forms of E. coli infect lambs? |
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| EPEC: nonspecific enteritis, no enterotoxin ETEC: systemic colibacillosis, general or localized |
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| Describe the characteristics of E. coli that infects poultry: |
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| Systemic infection in 5-12 week old broiler chicks. Not enteric. Colonizes upper respiratory tract and lower respiratory tract, causing airsacculitis and neumonia. ColV+ |
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| Bovine Mastitis 1) Name the organism that causes _____ 2) Symptoms of ____ 3) Species affected |
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| 1) E. coli 2) opportunistic infection of mammary epithelium. Confined to lumen of teat. Environmental. Inflammation due to endotoxin release 3) Cows |
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| What form of Klebsiella pneumonia can cause non-ascending urogenital infections in mares? |
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| capsulated |
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| What bacteria causes non-ascending urogenital infections in mares? |
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| Klebsiella pneumonia |
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| Klebsiella pneumonia causes __________ in cows and swine |
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| environmental mastitis |
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| List the species of salmonella |
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| S. bongori, S. enterica |
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| What are the two species of Salmonella |
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| Salmonella enterica Salmonella bongori |
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| Cows are the reservoir species for which strain of Salmonella (what other species can it affect)? What are the symptoms? |
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| Salmonella dublin Pigs Watery diarrhea, abortion |
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| Humans are the reservoir species for which strain of Salmonella? What other species can it affect? What are the symptoms? |
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| Salmonella typhimurium Cows, horses, pigs watery diarrhea, most common salmonellosis in horses, enteritis |
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| Horses are the reservoir species for which strain of Salmonella? |
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| Salmonella equi |
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| Pigs are the reservoir species for which strain of Salmonella? |
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| Salmonella coleraesuis |
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| Humans are the reservoir species for which strain of Salmonella? What are the symptoms? |
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| Poultry Bacillary whit diarrhea (pullorum diseas); ingested inhaled or transmitted ovarilly. Systemic; diarrhea, but not necessarily enteric |
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| What species causes fowl typhoid |
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| Salmonella gallinarum |
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| What causes UTI in dogs? |
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| Proteus mirabilis |
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| What does Yersinia enterocolitica cause? In what species |
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| Febrile diarrhea in dogs. spread orally |
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| What organism causes bubonic plague? |
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| Yersinia pestis |
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| What does Yersinia pestis cause? In what species? |
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| Bubonic plague (spread by flea bites) colonizes lymph nodes or lungs. Rodents/humans |
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| What does Yersinia pseudotuberculosis cause? What species does it affect? How is it different than Yersinia pestis? |
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| 1) similar to bubonic plague. Lesions on intestine/mesenteric ln. 2) Birds, rodents 3) transmited by ingesting droppings |
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| What bacterium causes Melioidosis? What is it? What species does it affect? |
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| 1) Burkholderia psuedomallei 2) pulmonary infection to rapidly fatal sepicemia. Characteristic lesion is casous nodule in lung. Spread by inhilation 3) dogs, rodents |
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| What organism causes Glanders? What is it? What species does it affect? |
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| 1) Glanders 2) lesions on lungs. metastasize and distribution by lymph. Spread by ingestion, inhalation, or wound infection 3) Horses |
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| What soil microorganism sometimes affects debilitated hosts and produces 3 LT exotoxins including exotoxin A |
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| Pseudomonas aeruginosa |
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| What species does Pasturella multocida affect? |
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| cows, pigs, sheep/goats, poultry, rabbits |
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| What organism causes snuffles in rabbits? |
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| Pasteurella multocida (mild form of disease; rhinosinusitis). Can also develop rabbit septicemia which is acute septicemia or less acute fibrinous pleumonia followed by septicemia |
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| What species cause shipping fever in cattle? |
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| Pasteurella multocida and Mannheimia haemolytica |
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| What species causes swine plague? Symptoms? |
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| Pasteurella multocida (fibrinous pneumonia with occasional septicemia. Also found in mixed infection) |
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| What species causes blue bag in sheep/goats? |
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| Pasteurella multocida (also causes pneumonia or septicemia) |
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| What organism causes fowl cholera? |
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| Pasteurella multocida enters via trama or inhalation (fulminating bacteremia, depression, death. Also associated with airsacculitis) |
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| What does Mannheimia haemolytica cause in sheep? |
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| pneumonia and septicemia |
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| What does Mannheimia haemolytica cause in cattle? |
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| Shipping fever (with P. multocida) |
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| What causes wooden tongue in cattle? |
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| Actinobacillus lignieresii |
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| What does Actinobacillus cause? What species does it affect? How is it spread? |
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| 1) Wooden tongue 2) Cattle/sheep 3) spread by trauma forcing organism into deeper tissue around buccal epithelium. tumors/granulomatous lobar masses in lower jaw/neck |
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| Describe an infection of Actinobacillus equuli equuli. |
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| Infection via umbilicus or birth canal. Septicemia without gross lesions; severe enteritis. Purulent nephritis |
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| What species of Actinobacillus affects foals? What species affects adult horses? |
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| 1) A. equuli equuli 2) A. equuli hemolytica |
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| What does Actinobacillus equuli hemolytica cause? |
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| Suppurative pneumonia in horses debilitated from overtaining |
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| What species of actinobacillus causes fatal septicemia in piglets 1-8 weeks old? |
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| Atinobacillus suis |
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| Where is Actinobacillus lignieresii normally found? |
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| normal commensal of buccal mucus membranes of cattle/sheep |
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| Where is Actinobacillus equuli equuli normally found? |
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| Normally found in repro tract of horses |
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| Where is Actinobacillus equuli hemolytica normally found? |
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| Normally found in pharynx of horses |
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| Where is Actinobacillus suis normally found? |
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| normally found in URT and genitals |
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| What causes swine pneumonia? |
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| Actinobacillus pleuropneumoniae |
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| Where is Actinobacillus pleuropneumoniae normally found? |
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| URT in pigs |
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| Some strains of A. pleuropneumoniae need what to grow in a lab? |
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| V factor (NAD) |
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| What causes Fowl Coryza (avian pneumonia)? |
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| Hemophilus paragallinarum |
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| What causes Glasser's diease? What is it? |
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| 1) Hemophilus parasuis 2) polyserositis, fibrinous inflammation of serous surfaces; affects piglets before or during weaning |
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| What causes meningoencephalitis in cows? |
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| Hemophilus somnus (causes lesions of fibrinous meningitis with arterial thrombosis and necrosis. Can also cause pneumonia and abortions) |
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| Why are species of Hemophilus considered fastidious? |
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| They require chocolate agar to grow. They need X-factor (heme) and/or V-factor (NAD) |
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| What is X-factor? |
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| Heme |
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| What is V factor? |
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| NAD |
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| What causes Tularemia? |
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| Fancisella tularensis. Infection by handling carcasses or heating infected animals/drinking infected water. Affects humans (rabbit hunter's disease) and rodents |
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| What causes kennel cough in dogs? |
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| Bordetella bronchiseptica |
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| What disease does Bordetella bronchiseptica cause in dogs? Pigs? |
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| 1) Kennel cough: colonization of tracheal cilia by fibrillar fimbrae + other a fimbrial colonization factors 2) Atrophic rhiniis: sneezing/coughing, atrophy of nasal turbinates (deformation of bony portion of nose) |
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| What species of Bordetella can cause deformation of the bony portion of the nose? |
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| Bordetella bronchiseptica |
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| What species is an obligate parasite of URT of dogs, pigs and rodents through ciliotropism? |
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| Bordatella bronchiseptica |
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| What causes turkey coryza? |
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| Bordetella avium (snicking cough) |
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| What causes pink eye in cows? |
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| Moraxella bovis |
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| What does Moraxella bovis require to cause pink eye? |
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| 1) hemolysin (RTX - family leukotoxin) 2) pili |
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| What causes intestinal adenomatosis in swine? |
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| Lawsonia intracellularis |
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| What causes wet tail in hamsters |
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| Lawsonia intracellularis |
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| What species of Campylobacter causes enteritis in dogs? |
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| Campylobacter jejuni |
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| What is the number one cause of human enteritis? |
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| Campylobacter jejuni |
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| What does Campylobacter fetus venerealis cause? |
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| Venereal infertility/abortion in cows |
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| What does campylobacter fetus feus cause? |
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| Non-venereal aboriton in cows/sheep (abortion in latter half of gestation. Not venereal; access through ingestion) |
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| What does Campylobacter coli cause? In what species |
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| Enteritis in pigs and poultry |
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| What does Helicobacter pylori cause? |
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| ulceration in the stomachs of humans and animals? |
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| What does helicobacter canis/felis cause? |
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| Gastritis |
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| What does Helicobacter hepaticus cause? |
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| Hepatitis and hepatocarcinomas in lab animals |
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| What does Helicobacter mustelae cause? |
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| Gastritis in ferrets |
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| What causes lyme disease? |
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| Borelia burgdorferi |
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| What organism causes relapsing fever? |
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| Borellia recurrentis/hermsii |
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| What does Borrelia burgdorferi cause? What are the symptoms? |
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| Lyme disease. Swelling in one or more joints |
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| What does Borrelia recurrentis/hermsii cause? |
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| Relapsing fever. Initial outgrowth of infecting population causes emergence of variety of antigenically distinct clones which grow out and cause relapse |
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| What does Borellia theileri cause? |
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| Mild relapsing fever in horses and sheep |
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| What does Borellia anserina cause? |
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| Systemic infection (depression, profuse diarrhea, death) in poultry |
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| What causes redwater disease? |
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| Leptospira interrogans serovar icterohaemorrhagiae and grippotyphosa. In Rodents, cows, dogs, horses and pigs. |
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| What does Leptospira icterohaemorrhagiae and grippotyphosa cause? |
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| Redwater disease (hemolysin in young calves). Accumulate in nephritic ducts and shed in urine. Persist in regions w/ little antigenic protection (renal tubules, eye, uterus, fetus) |
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| What does Leptospira interrogans serovar canicola cause? What species? |
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| Dogs, cows, pigs Stuttgart Disease. Kidney issues, uremia. More common in males |
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| What serovar of Leptospira cuases Stuttgart disease? |
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| canicola |
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| What serovar of Leptospira causes mild-drop syndrome (decreased milk production) in cows? |
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| hardjo |
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| What organism causes swine dysentery (bloody scours)? |
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| Brachyspira hyodysentariae |
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| What does Brachyspira hyodysentariae |
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| Swine dystentary |
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| What causes rabbit syphilis? |
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| Treponema paraluiscuniculi |
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| What does Treponema paraluiscuniculi cause? |
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| Rabbit syphilis (vent disease) |
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| List the species of Brucella according to the species they affect1) abortus 2) suis 3) melitensis 4) ovis 5) neotomae 6) canis |
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| 1) cows 2) pigs 3) sheep/goats 4) sheep 5) rodents 6) dogs |
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| What species are seein as inclusions in erythrocytes |
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| Anaplasma marginale and Anaplasma centrale |
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| What species infects granulocytes |
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| Anaplasma phagocytoma |
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| Ehrlichiaceae replicate in _______ |
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| phagolysomes |
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| Rickettsiaceae replicate in ______ |
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| cytoplasm |
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| What causes Human granulocytotropic ehrlichiosis and equine ehrlichiosis |
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| Anaplasma phagocytophilium |
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| What species are includsions in leukocytes |
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| Ehrlichia ruminatum Ehrlichia canis Ehrlichia ewingii |
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| What causes heartwater disease |
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| Ehrlichia ruminatum |
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| What causes potomac fever |
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| Neorickettsia risticii |
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| What does Neorickettsia risticii cause |
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| Potomac fever in horses |
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| What causes Rocky mountain spotted fever |
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| Rickettsia rickettsii |
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| What is viewed as inclusions in the cytoplasm of endothelial cells |
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| Rickettsia rickettsii |
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| What causes avian chlamydosis? |
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| Chlamydophila psittaci |
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| What causes ornithosis in humans |
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| Chlamydophila psittaci |
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| What does Chlamydophila psitaci cause? |
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| Avian chlamydosis in birds (ocular, respiratory or systemic. Inapparent to rapidly fatal. Profuse diarrhea, general wasting. Enlarged spleen/liver, airsacks and lungs. Recovered animals become carriers Ornithosis in humans |
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| What causes enzootic ovine abortion |
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| Chlamydophila abortus |
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| What does Chlamydophia abortis cause |
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| Enzootic ovine abortion 1) primary conjunctivitis and polyarthritis 2) Genital tract infection |
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| What family of intracellular pathogens has a developmental cycle involving an elementary body and a reticulate body? What is the difference |
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| 1) Chlamydiacea 2) Elementary body is infective for other host cells while the Reticulate body multiplies in the cell but is not infective. |
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