Erythrocyte parameters and condition factor of Gymnotus sp. (Gymnotiformes: Gymnotidae) under growing conditions

• Autor(a) principal: Ventura, Arlene Sobrinho
• Data de Publicação: 2018
• Outros Autores: Jerônimo, Gabriela Tomas, Ferri, Giovanni Henrique, de Pádua, Santiago Benites, Martins, Maurício Laterça, Ishikawa, Márcia Mayumi
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Brazilian Journal of Veterinary Medicine
• Texto Completo: https://rbmv.org/BJVM/article/view/203
• topic: hematology, health, bait house, marketing.; hematologia; saúde; casas de iscas; comercialização

The aim of this study was to evaluate the hematological variables and body conditions of tuviras, Gymnotus spp under growing conditions. We used 42 fish with an average weight of 42.9 ± 31.8 (g) and average length of 23.7 ± 3.3 (cm) that were from different bait houses. The procedure was anesthesia with clove oil, followed by blood collection by venipuncture flow animals, fish was collected from each 1.5 ml -1, approximately blood. It was determined the concentration of red blood cells, hematocrit percentage, hemoglobin, mean corpuscular volume (MCV), mean corpuscular hemoglobin concentration (MCHC) and body condition (Kn). The results show that the hematological value ranged from 0.880 to 3.940 x 106μl -1, the percentage of hematocrit value ranged from 20.0 to 51.5 %, the hemoglobin concentration from 4.4 to 14.9 g dl -1, the VCM 121.8 250,0fL -1, the MCHC 15.0 to 35.6 dl g -1 and Kn= 1,00 ± 0,041. Hematologic values of Gymnotus spp obtained are within the characteristics presented by other species created in cultive systems. The data evaluated in this work demonstrated that the tuviras kept in the bait houses presented good body conditions and healthness.