Bovine GI - Oropharynx/esophagus Flashcards
Congenital defect of the oropharynx that is common in camelids and high inbreeding herds?
Cleft palate (palatoschisis)
What causes necrotic stomatitis / calf diphtheria?
Fusobacterium necrophorum
Signalment of calf diphtheria ?
Young animals
Dirty overcrowded conditions
Feed lot
Treatment for necrotic stomatitis?
Prof Pen G
Oxytet
Florfenicol
Ampicillin and tulathromycin allowed in some veal
Flunixin/meloxicam
Tracheostomy in valuable animals. Emergency/permanent
Common bacteria causing abscesses in the pharynx/larynx of ruminants
Trueperella pyogenes Fusobacterium Actinobacillus Laryngeal abscesses Corynebacterium pseudotuberculosis
What are the two forms of actinobacillosis?
Tongue form (wooden tongue)
—acute swollen, hard painful
—chronic shrunken and firm
Cutaneous form
—thick walled granulomatous abscess in lips and retro-pharyngeal area
Treatment of actinobacillosis?
NaI 1g/12kg BW 10% for 2 days then oral KI 10days
Lance and flush abscess
What is pharyngeal phlegmon?
Acute severe cellulitis of oral mucosa and pharynx
- marked swelling of tissue in lower head extending down neck
Clinical signs of pharyngeal phlegmon?
Marked swelling of tissues in lower head extending down neck
Anorexia, fever
Increased heart and resp rate
Dehydration
Congested membranes (toxemia)
High mortality
Clostridium septicum — necrotizing myositis
Snake bite
What tissues does bovine leukemia virus have affinity for?
Right atrium
Uterus
Spine
Abomasum
What causes vesicular stomatitis?
Rhabdovirus
— plant virus spread my insets
T/F: vesicular stomatitis is a notifiable disease
True
What virus causes bluetonge
Orbivirus
Clincial signs of bluetongue dz in sheep?
Fever, nasal discharge Edema of the mouth, lips and tongue Cyanosis (necrotizing vasculitis) Oral ulcers Coronitis and laminitis Abortions
How is bluetongue transmitted
Culicoides
How can you confirm bluetongue disease?
Virus isolation
AGID
ELISA
Clinical signs of epizootic hemorrhagic disease ?
Fever and depression
Swelling of head, neck, tongue, and eyelids
Respiratory distress - lung hemorrhage
Caused by orbi virus
T/F: contagious ecthyma is zoonotic
True
What type of virus causes orf?
Parapox virus
How can you confirm orf ?
EM of scabs
Treatment/prevention of orf?
Nursing care
Debride and clean lesions
Antibiotics
Prevention
— isolation and hygiene
— vaccinate if outbreak involves more than 50% of flock
—autogenous vaccine works best
What causes bovine papular stomatitis?
Parapox virus
Clinical signs of bovine papular stomatitis?
Papule on muzzle, hard palate, and inside of nostrils
What virus cause bovine viral diarrhea?
Pestivirus
Syndromes caused by BVD?
Acute disease with fever and diarrhea
Immune suppressive
Infertility suppressive
Infertility and abortion
Weak claves/cerebellar hypoplasia
Mucosal disease
What is the most common cause dental mottling ?
Fluorosis
What causes lumpy jaw?
Actinomycetes bovis
Treatment of lumpy jaw?
Isoniazid
Surgical debridement
DDX for pharyngeal paralysis?
Rabies Moldy feed Botulism Listeriosis Brain abscess Idiopathic
