Difference between revisions of "Cattle Medicine Q&A 07"

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*bacterial meningoencephalitis  
 
*bacterial meningoencephalitis  
 
*septicaemia.
 
*septicaemia.
|l1= Bacterial Meningoencephalitis - Cattle
 
 
|q2=How could you confirm your diagnosis?
 
|q2=How could you confirm your diagnosis?
 
|a2=
 
|a2=
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*comprised almost entirely of neutrophils (neutrophilic pleocytosis).  
 
*comprised almost entirely of neutrophils (neutrophilic pleocytosis).  
 
The total plasma protein of 48 g/L (4.8 g/dL) indicates failure of passive antibody transfer (normal value for calves that have sucked colostrum >65 g/L, <6.5 g/dL).  
 
The total plasma protein of 48 g/L (4.8 g/dL) indicates failure of passive antibody transfer (normal value for calves that have sucked colostrum >65 g/L, <6.5 g/dL).  
|l2= Bacterial Meningoencephalitis - Cattle#Diagnosis
 
 
|q3=What is the likely cause?
 
|q3=What is the likely cause?
 
|a3=
 
|a3=
 
''Escherichia coli, Pasteurella spp., Staphylococcus pyogenes'', and ''Arcanobacterium pyogenes'' have been isolated from clinical cases of meningoencephalitis. ''E. coli'' is the most common isolate from septicaemic calves.
 
''Escherichia coli, Pasteurella spp., Staphylococcus pyogenes'', and ''Arcanobacterium pyogenes'' have been isolated from clinical cases of meningoencephalitis. ''E. coli'' is the most common isolate from septicaemic calves.
|l3= Bacterial Meningoencephalitis - Cattle
 
 
|q4=What treatment(s) would you administer?
 
|q4=What treatment(s) would you administer?
 
|a4=
 
|a4=
 
The calf was treated with high doses of intravenous trimethoprim/sulphonamide and soluble corticosteroid (dexamethasone at 1.0 mg/kg).
 
The calf was treated with high doses of intravenous trimethoprim/sulphonamide and soluble corticosteroid (dexamethasone at 1.0 mg/kg).
|l4= Bacterial Meningoencephalitis - Cattle#Treatment
 
 
|q5=What is the prognosis for this calf?
 
|q5=What is the prognosis for this calf?
 
|a5=
 
|a5=
The calf improved over the next 24 hr<sup>1</sup>.
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The calf improved over the next 24 hr
|l5= Bacterial Meningoencephalitis - Cattle
 
 
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| align="left" | <p>Comments by Nick Lyons MA VetMB CertCHP MRCVS</p>
 
<p>1. The answer is poor! The answer given says the calf improved over the next 24 hours which is not the case more often than not, and does not answer the question!</p>
 
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Revision as of 18:14, 12 April 2011


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Cattle Medicine 7.jpg


A 5-day-old Charolais-cross beef calf has been dull and unwilling to suckle from the cow for the past 6 hr. The rectal temperature is 39.2°C (102.6°F). The calf is depressed and stands with a wide-based stance with the neck extended. The menace response is reduced and there is marked episcleral congestion and dorso medial strabismus. The respiratory rate is increased at 60 breaths per minute. The umbilicus had been treated with strong iodine solution and appears normal. There is no evidence of diarrhoea. The lymph nodes are not enlarged.


Question Answer Article
What conditions would you consider? [[|Link to Article]]
How could you confirm your diagnosis? [[|Link to Article]]
What is the likely cause? [[|Link to Article]]
What treatment(s) would you administer? [[|Link to Article]]
What is the prognosis for this calf? [[|Link to Article]]


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