الفهرس 
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Abstract
This study aimed to evaluate the most common hematological and
biochemical alterations among dogs suffering from gastroenteritis
accompanied with different dehydration degrees in attempt to prediction
of proper diagnosis. The study was carried out in private small animal
clinic and governmental veterinary clinic affiliated to the Directorate of
Veterinary Medicine in Ismailia governorate. A total number of 100
dogs of both sexes and different ages were involved in the study and
classified into ten apparently healthy dogs which were considered as
control group and diseased dogs (n=90) which were examined for
evaluation of dehydration state using Skin Turgor Test for further
classifying into three groups G1, G2 and G3 according to severity of
clinical signs and dehydration degree. All dogs subjected to clinical
examination and screened for external parasites by inspection. A total
no. of 100 stool samples were collected for examination for internal
parasite. A total no. of 90 stool samples from diseased dogs examined
by rapid Immunochromatographic test (ICT) to determine whether they
were infected with CPV-2 (Ag) or not.
A total no. of 200 blood samples were collected from all groups and
checked for hematological picture (hemogram and leucogram),
biochemical analysis ( total protein, albumin, globulin, ALT, AST,
BUN, creatinine, electrolytes, lactate and trace elements).
The present study revealed that the most clinical signs were anorexia,
lethargy, pallor mucous membrane, vomiting, watery yellowish to
bloody diarrhea, fever, tachypnea and tachycardia. All dogs were free
from external and internal parasites, 56% of all dogs examined by ICT
were positive to CPV-2 (Ag). The predominant hematological and
biochemical alterations were microcytic hypochromic anemia,
thrombocytopenia, leucopenia, neutropenia, lymphopenia,
monocytopenia, eosinopenia, hypoproteinamia, hypoalbunemia. There
was a decrease in values sodium, potassium, chloride, calcium and
phosphorous, meanwhile an increase in AST, creatinine and lactate, all
alterations were aggravated by the advanced degree of dehydration.