Serological, molecular and hematological diagnosis in horses with clinical suspicion of equine piroplasmosis: pooling strengths

This study was carried out with samples belonging to 140 horses residing in Spain and showing common clinical signs of EP. A blood smear microscopic examination and a comparison between the different results obtained by competitive Enzyme-Linked Immunosorbent Assay (cELISA), real-time Polymerase Chain Reaction (PCR) and hematological and biochemical (direct and total bilirubin) screening were conducted. EP positivity rates by cELISA and PCR were 50.7% and 42.9%, respectively, whereas only 9% of the horses were positive in the microscopic analysis. A significantly higher number of B. caballi-positive horses were detected by cELISA than PCR, and Kappa value was higher for T. equi (k = 0.575) than for B. caballi (k = 0.401). For the first time, an association between a high ELISA inhibition percentage (IP) and a positive PCR result for B. caballi was determined. Although most authors have described T. equi as more pathogenic than B. caballi, we found that horses parasitized by B. caballi showed a more severe hemolytic anemia, whereas T. equi infections were mostly associated with leukocytosis. The hemogram and clinical chemistry could guide the veterinary surgeon towards the diagnosis of T. equi or B. caballi since horses showed a significant leukocytosis or anemia and hyperbilirubinemia, respectively; however PCR would be the test of choice in order to confirm the diagnosis. Information about the importance of a correct diagnosis of EP using a combin...
Source: Veterinary Parasitology - Category: Veterinary Research Source Type: research

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Abstract Sinogastromyzon sichangensis is a hillstream loach endemic to the upper Yangtze River, China. It is unclear whether this fish lives in a very restricted area or may be dispersed over a long distance. In the present study spatial connectivity of populations of S. sichangensis was investigated based on 343 individuals collected from 12 sites of Chishui River and employing 22 microsatellite loci. The results of genetic diversity analysis showed that observed heterozygosity (HO) and polymorphism information content (PIC) ranged from 0.5653 to 0.6999 and 0.8513 to 0.8819, respectively. Population structure ana...
Source: Zoological Science - Category: Zoology Authors: Tags: Zoolog Sci Source Type: research
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Source: Expert Review of Hematology - Category: Hematology Tags: Expert Rev Hematol Source Type: research
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Source: Scandinavian Journal of Gastroenterology - Category: Gastroenterology Tags: Scand J Gastroenterol Source Type: research
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