Blood Response to Mercury Exposure in Athletic Horse From Messina,Italy |
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| Institution: | 1. Department of Veterinary Science, University of Messina, Messina, Italy;2. BioMorf Department, University of Messina, Messina, Italy;1. Faculty of Veterinary Sciences, National University of Northeast (UNNE), Corrientes, Argentina;2. Faculty of Medicine, National University of Northeast (UNNE), Corrientes, Argentina;3. Faculty of Veterinary Sciences, National University of La Plata (UNLP), La Plata, Argentina;1. Universidade Federal do Pampa, Programa de Pós- Graduação em Ciência Animal, Uruguaiana, Rio Grande do Sul, Brazil;2. Universidade Federal de Santa Maria, Departamento de Clínica de Grandes Animais, Santa Maria, Rio Grande do Sul, Brazil;3. Universidade Federal do Pampa, Hospital Veterinário, Uruguaiana, Rio Grande do Sul, Brazil;4. Universidade Federal do Rio Grande do Sul, Programa de Pós Graduação em Medicina Animal: Equinos, Porto Alegre, Rio Grande do Sul, Brazil;5. Universidade Federal de Pelotas, Hospital Veterinário, Pelotas, Rio Grande do Sul, Brazil;1. Graf Lehndorff Institute for Equine Science, Vetmeduni Vienna, Neustadt (Dosse), Germany;2. Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, Vetmeduni Vienna, Vienna, Austria;3. Gynecology, Obstetrics and Andrology, Department for Small Animals and Horses, Vetmeduni Vienna, Vienna, Austria;1. Department of Veterinary Sciences, University of Messina, Polo Universitario dell’Annunziata, Messina, Italy;2. Department of Biomedical, Dental, Morphological and Functional Images, Specializing in Sports and Exercise Medicine, University of Messina, Messina, Italy |
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| Abstract: | Mercury (Hg) exists in various chemical forms, and it is different to health effects. The most toxic effects occur in the central nervous system during fetal development with irreversible alterations of the nerve cells of the cerebral cortex and, it is essential to monitor the tissue residues of Hg to protect the animal’s health. The present investigation was carried out during May 2019 in 20 horses located in equine sport center near the area of Milazzo, Messina, that is a part of Sicilian territory heavily polluted by many toxic substances. The purpose of this study was to determine the concentration of Hg in blood, serum, food, and water administered to horses and from the hematological profile as a biomarker of blood in relation to the bioaccumulation of Hg. The hematologic parameters (red blood cell, white blood cell, hemoglobin concentration, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, and platelets) were processed with an automated hematology analyzer, and Hg concentrations were determined by DMA-80. To carry out the variation in the Hg levels in serum and blood, the data were subjected to paired t-test analysis; post-hoc comparisons were performed using Tukey’s test. The differences were considered statistically significant when P < .05. Paired t-test showed that in blood samples, Hg concentrations were significantly higher than the serum, and blood samples were positively correlated with serum (r = 0.99; P < .0001). The Hg contents determined in blood, serum, hay, and water samples were below the respective benchmarks, and therefore, we can exclude any toxicological risk for athletic horse. |
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| Keywords: | Athletic horse Blood biomarkers Hematological parameters Hg Milazzo |
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