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actinobacillus
Stack #37214
| Question | Answer |
|---|---|
| what family is actinobacillus in | family pasteurilaceae |
| what kind of parasite is actinobacillus | obligate parasite |
| what is actinobacillus a commensal of | mucosa of URT, mouth, and genital tract (mainly URT) |
| morphology of actinobacillus | small gram neg rods/coccobacilli |
| what slang term is used to describe the morphology of actinobacillus | morris code |
| what is the main cultural characteristic of actinobacillus | sticky colonies |
| describe the antigens of A. lignieresii | 6 serotypes, somatic "O" antigens |
| describe the antigens of A pleuropneumoniae | 12 serotypes, capsular "K" antigens |
| describe the specific habitat and species infected of A lignieresii | commensal of alimentary tract esp of ruminants (mouth to rumen) |
| tendancy of A ligniersesii | sporadic |
| rank of animals affected by A ligniersesii | cattle>sheep,goat> pigs, dog, man |
| do A ligniersesii infections start (endogenous or exogenous) | endogenous or entry through wounds |
| what type of tissues does actinobacillus affect | soft tissues esp head and neck |
| what dz does A ligniersesii cause in cattle | wooden tongue |
| how does "wooden tongue" come about | feeding habits...hard food renders breaks in skin of oral cavity |
| what are the symptoms of wooden tongue | pain, swelling and protrusion of the tongue |
| what does A lignieresii cause in sheep | abcess of face and neck |
| what does A lignieresii cause in pigs | mammary gland abcesses |
| what is significant about the abscesses of A lignieresii | sulfur granules in pus |
| what is the lab dx for A lignieresii | presence of granules and culture |
| what drugs are used to treat A lignieresii | sulphonamides, broad spectrum antibiotics, Iodides |
| what types of iodides are used and how should they be given | NaI by IV, KI by mouth |
| what animals does A equuli infect | horses and sows |
| where is the habitat of A equuli in horses | genital tract and alimentary tract |
| what is the habitat of A equuli in sows | genital tract |
| how does an animal become infected wtih A equuli | infection at birth by mouth or umbilicus |
| what bacteria causes sleepy foal disease | A equuli |
| describe the pathogenesis of A equuli in foals | septicemia and localization |
| what is the level of severity of sleepy foal disease | peracute to acute to subacute to chronic |
| what ages of horses are inflicted with sleepy foal disease | neonates |
| does A equuli occur in older horses | yes but rarely |
| what does A equuli cause in older horses | arthritis, aneurysms, abortion |
| incidence and dz of A equuli in piglets | rare, septicemia |
| incidence and dz of A equuli in sows | rare, mastitis metritis abortion |
| dx of A equuli | culture of typical colonies |
| how can you prevent A equuli infections | hygiene esp of umbilicus |
| in what species is A pleuropneumoniae important | pigs worldwide |
| how many serotypes does A pleuuropneumoniae have and what antigen is present | 12 serotypes, capsular polysaccharides |
| how many biovars are there and what are they | biovars 1 and 2 |
| which biovar of A pleuropneumoniae require factor V | biovars 1 |
| what are the bacterial factors of A pleuropneumoniae | capsules, endotoxin, hemolysin, leucotoxin |
| what does A pleuropneumoniae cause in pigs | "porcine contagious pleuropneumonia" |
| describe ages affected and morbidity/mortality incidence of A pleuropneumoniae in pigs | all ages, high morbidity and mortality |
| what is the most common age for porcine contagious pleuropneumonia | 3-4 months |
| what is the range of severity of A pleuropneumoniae | acute to chronic |
| what is the acute form of A pleuropneumoniae cause | fibrinous pleuropneumonia |
| what is the chronic form of A pleuropneumoniae cause | pleurisy, adhesions |
| what is added to culture to diagnose A pleuropneumoniae infection | culture with NAD |
| habitat and frequency of Actinobacillus suis | commensal of head and genitalia, rare |
| how are animals infected with Actinobacillus suis | infection by inhalation or ingestion |
| what is the pathogenesis of actinobacillus in pigs <2months old | septicemia |
| what is the pathogenesis of Actinobacillus suis in older pigs | can affect any organ |
| what is the affect of actinobacillus suis in foals | similar to A equuli (sleepy foal disease) |
| what are the signs of peracute sleepy foal dz | sudden death |
| what are the symptoms of acute sleepy foal dz | fever, enteritis, weakness |
| what are the symptoms of subacute to chronic sleepy foal dz | affects kidneys and joints |
| which bacteria share similarities with Actinobacillus seminis | H somnus/ H agni/ H ovis |
| what species is affected by Actinobacillus seminis | sheep and rams |
| habitat of actinobacillus seminis | commensal of sheep genital tract |
| how do rams become infected with actinobacillus seminis | infected at birth or before |
| what does actinobacillus cause in young rams | epididymitis |
| what does actinobacillus seminis cause in ewes | vaginitis and cervicitis |
Created by:
pferdyvet
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