The aim of the present study was to assess the effect of storage time at +4 °C on red blood cell count (RBC), haematocrit (Hct), haemoglobin (Hb), white blood cell count (WBC), thrombocyte count (TC), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC) in mullet (Mugil cephalus) using an automatic method. After blood collection (T(0) ), all samples were analyzed using both the manual and automatic method. To test the validation of the automatic method, a paired t-test was applied, and no statistical difference was observed. The samples were successively divided into four different aliquots and stored at +4 °C to assess the haematological parameters using the automatic method. The first aliquot was refrigerated for 6 h, the second one for 24 h, the third one for 48 h and the last one at for 72 h. One-way repeated-measures ANOVA showed a significant effect of storage time (P < 0.05) on Hb, WBC, TC, MCH and MCHC. These results suggest that haematological parameters can be assessed within 6 h from blood collection when samples are stored at +4 °C because long-term storage modifies the results of the analyses. Further studies on these parameters could be still needed in various fish species to validate an appropriate method for haematological analysis useful not only for the evaluation of the health status of animal living in captivity and in aquaculture but also to have reliability environmental haematological biomarkers

Effect of storage time on haematological parameters in mullet, Mugil cephalus.

FAGGIO, Caterina;CASELLA, stefania;ARFUSO, FRANCESCA;MARAFIOTI, SIMONA;PICCIONE, Giuseppe;FAZIO, Francesco
2013-01-01

Abstract

The aim of the present study was to assess the effect of storage time at +4 °C on red blood cell count (RBC), haematocrit (Hct), haemoglobin (Hb), white blood cell count (WBC), thrombocyte count (TC), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC) in mullet (Mugil cephalus) using an automatic method. After blood collection (T(0) ), all samples were analyzed using both the manual and automatic method. To test the validation of the automatic method, a paired t-test was applied, and no statistical difference was observed. The samples were successively divided into four different aliquots and stored at +4 °C to assess the haematological parameters using the automatic method. The first aliquot was refrigerated for 6 h, the second one for 24 h, the third one for 48 h and the last one at for 72 h. One-way repeated-measures ANOVA showed a significant effect of storage time (P < 0.05) on Hb, WBC, TC, MCH and MCHC. These results suggest that haematological parameters can be assessed within 6 h from blood collection when samples are stored at +4 °C because long-term storage modifies the results of the analyses. Further studies on these parameters could be still needed in various fish species to validate an appropriate method for haematological analysis useful not only for the evaluation of the health status of animal living in captivity and in aquaculture but also to have reliability environmental haematological biomarkers
2013
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/2381221
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