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Sensitivity and specificity of canine serum total amylase and isoamylase activity determinations.

isoamylases serum prospectively determined in dogs with pancreatic disease and extrapancreatic. Determination of serum isoamylase means significantly different (p less than 0.05) between normal dogs and dogs with pancreatitis and Rabbit Antiserum exocrine pancreatic insufficiency. The sensitivity of the determination of serum amylase activity isoamylase exceeded the total for the diagnosis of pancreatitis. determination of serum isoamylase less affected by the disease extrapancreatic than total amylase activity when used in the diagnosis of pancreatic diseases. 

Both serum isoamylase or the determination of total amylase activity has a sensitivity sufficient to support its use in the diagnosis of exocrine pancreatic insufficiency. There was a significant (p less than 0.05) linear correlation between the determination of isoamylase, total amylase activity, and trypsin-like immunoreactivity concentration.
Sensitivity and specificity of canine serum total amylase and isoamylase activity determinations.

serum antibody response to canine parvovirus, canine adenovirus-1, and the distemper virus in dogs with unknown immunization status: study of dogs in Sweden.


serum titers of antibodies to canine parvovirus (CPV), canine adenovirus-1 (CAV-1), and canine distemper virus (CDV) was measured in dogs with known immunization status. Dogs represent three groups: dogs vaccinated less than 12 months old; dogs vaccinated less than 12 months old; and adult dogs over the age of 12 months.

For practical reasons, the population from Rabbit Plasma which the specimen was obtained can be regarded as free of natural infection with CAV-1 and CDV. In dogs vaccinated less than 12 months old, antibodies against all three viruses were measured at the time the dog was given their first vaccination. Overall, 50.7% of the dogs had titers greater than or equal to 1:10 for CPV, and 26.1 and 46.2% had titers greater than or equal to 1: 8 for CAV-1 and CDV, each. 

The concentration of maternal antibodies seem to be very important for the failure of immunization with the use of CPV vaccine is not active, but not with CAV-1 and CDV vaccination. In dogs less than 12 months old and vaccinated against CPV infection with a virus that is inactive, only 11.5% had titers greater than or equal to 1:80. In dogs vaccinated against infectious canine hepatitis and canine distemper, 63.2 and 78.3%, respectively, having a titer greater than or equal to 1:16. In adult dogs over the age of 2 months and vaccinated against CPV infection, fewer than 50% had titers greater than or equal to 1:80, regardless of time after vaccination. There is no significant difference in titers between vaccinated and non-vaccinated dogs
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