Horse West Nile Virus
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Late summer or fall in warm climat
Vector mosquito
C/s: ataxia,hind end paresis, recumbency, head neck and muzzl
fasciculation
Dx: IgM-ELISA serology
Tx: supportive
Px: mild signs good but w/ neuro dificitis, paresis or recumbency- poor Px
Prev: eliminate stending water, mosquito control, vaccination annual or
biannual
Liver disease
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, Aptt and pt prolonged
Equine colon displacement
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Large breeds
Right dorsal- colon between cecum and body wall
Left dorsal- nephrosplenic entrapment (between left kidney and spleen)
Pelvic flexure
Cs: intermittent pain, rectally palpable tught bands gas distended large
colon. Nefrosplenic- unable to identify left kidney on US
Tx:?Nefrosplenic- give phenylephrine iv Sometimes roling horse
Px: good
Equine degenerative myeloencephalopathy (EDM)
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Vit E deficiency and genetic component
Cs: horse less 1year, dull and quite, symmetrical ataxia of all legs
Dx: history of vit E deficiency. Rule out other diseases
Tx: vit E supplement. Rarely successful
Rhodococcus equi
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, Inhaled Gram positive pleomorphic intracellular coccobacillus. Cause
pyogranulomatous pneumonia and abscesses.
Cs: fever, weight loss, cough, tachypnea, nostrils flaring,wheezes and
crackles
Neutrophilic leukocytosis, hyperfibrinogenemia.
Dx: foal 1-6 months, cs, transtracheal wash and culture.
Tx: macrolid(erythromycin, azithromicin ) combined with rifampin+
supportive.
Possibly complications such as internal abscess, septic arthritis,
osteomyelitis, joint effusion.
Px:fair to good.
Prevention: hyperimmunized plasma. Reduce dust.
Salmonella calf diarrhea
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<14 days old.
Cs: foul smelling feces w/ blood, fibrin, mucus. Septicemia w/ fever. Fast
death.
Factor 2
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Prothrombin disorders. Tt is normal, act, aptt, pt are prolonged
Equine parasite-associated colic
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Give this one a try later!
Late summer or fall in warm climat
Vector mosquito
C/s: ataxia,hind end paresis, recumbency, head neck and muzzl
fasciculation
Dx: IgM-ELISA serology
Tx: supportive
Px: mild signs good but w/ neuro dificitis, paresis or recumbency- poor Px
Prev: eliminate stending water, mosquito control, vaccination annual or
biannual
Liver disease
Give this one a try later!
, Aptt and pt prolonged
Equine colon displacement
Give this one a try later!
Large breeds
Right dorsal- colon between cecum and body wall
Left dorsal- nephrosplenic entrapment (between left kidney and spleen)
Pelvic flexure
Cs: intermittent pain, rectally palpable tught bands gas distended large
colon. Nefrosplenic- unable to identify left kidney on US
Tx:?Nefrosplenic- give phenylephrine iv Sometimes roling horse
Px: good
Equine degenerative myeloencephalopathy (EDM)
Give this one a try later!
Vit E deficiency and genetic component
Cs: horse less 1year, dull and quite, symmetrical ataxia of all legs
Dx: history of vit E deficiency. Rule out other diseases
Tx: vit E supplement. Rarely successful
Rhodococcus equi
Give this one a try later!
, Inhaled Gram positive pleomorphic intracellular coccobacillus. Cause
pyogranulomatous pneumonia and abscesses.
Cs: fever, weight loss, cough, tachypnea, nostrils flaring,wheezes and
crackles
Neutrophilic leukocytosis, hyperfibrinogenemia.
Dx: foal 1-6 months, cs, transtracheal wash and culture.
Tx: macrolid(erythromycin, azithromicin ) combined with rifampin+
supportive.
Possibly complications such as internal abscess, septic arthritis,
osteomyelitis, joint effusion.
Px:fair to good.
Prevention: hyperimmunized plasma. Reduce dust.
Salmonella calf diarrhea
Give this one a try later!
<14 days old.
Cs: foul smelling feces w/ blood, fibrin, mucus. Septicemia w/ fever. Fast
death.
Factor 2
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Prothrombin disorders. Tt is normal, act, aptt, pt are prolonged
Equine parasite-associated colic
Give this one a try later!
