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CORRELATION OF THE LEUKOGRAM AND SERUM LEVELS OF CREATININ QUINASA (CK) AND OF ASPARTATE AMINOTRANSFERASE (AST) WITH THE COUNT OF Sarcocystis sp. BRADOZOITOS IN WIDE DORSAL MUSCLE OF MILK BOVINE CATTLE IN THE COUNTY OF SAPUYES, NARIÑO  [2012]

Esther P. Delgado Darío A. Cedeño Universidad de Nariño [Corporate Author]

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This research was conducted in the towns of Panamal and Maramba, county of Sapuyes, Nariño, Colombia with the purpose of establishing the correlation between the count of Sarcocystis sp. bradozoitos and the evaluation of the leukogram and the serum enzymatic activity of creatinequinasa (CK) and aspartate aminotransferase (AST). Biopsies from the wide dorsal muscle and blood samples in test tubes with and without anticoagulant were taken to 18 animals in June, 2011. For the count of bradozoitos, the muscular samples were submitted to artificial digestion with porcine pancreatic trypsin to the 1.0%. The blood samples were processed for the total count and white blood cell differential and for the quantification of the serum enzymatic activity of CK and AST. A prevalence of the 100% for cystic sarcocystosis was determined. Seventy five (75)% of the samples showed an increase of AST, 7% of CK, and 14% concomitant increase of CK and AST. This shows recent muscular and/or hepatic injury compatible with lesions caused by Sarcocystis in the muscle tissue, when it encysts into its fibers and it reproduces itself asexually in the liver. Eleven percent of the animal presented eosinophilia, this being associated to eosinophilicmiositis, an injury described in cystic sarcocystosis. Twenty two percent presented absolute linphocytosis compatible with activity of sarcocystine (toxin of Sarcocystis) in blood, which is produced and released inside the parasites cysts. The a
mount of bradozoitos of Sarcocystis sp. per animal was proportional to their age, being consistent with the amount of reinfections the animal can suffer over the years. In the study, the following tests were applied: Pearson for the data with normality, and Spearman for the data without normality; in these two tests, the P-value was over 0.05, therefore, there was not significant statistical correlation between the pairs of evaluated variables.

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Investigación Pecuaria

ISSN : 2248-4558