The aim of this study was to verify the reliability of an open access CASA software (BGM) to evaluate the sperm motility of cattle and buffalo, comparing motility and kinematic parameters to those of a commercial one (HTM). Thirty frozen-thawed samples for each species were analyzed with both HTM and BGM, after 1 h of incubation at 37 degrees C. Sperm viability and mitochondrial membrane potential (MMP) were evaluated through flow cytometric analysis. Agreement of all motility variables between the two systems was assessed. Correlation analysis was performed to identify relationships between motion parameters and sperm viability and MMP. Bland Altman analysis showed good agreement between methods for all motility parameters except for curvi-linear velocity (VCL) in cattle, and for average path (VAP), VCL and (amplitude of lateral head displacement) ALH in buffalo, that showed a proportional bias (P > 0.05). In both systems, positive correlation between both viability and high MMP and total and progressive motility of cattle spermatozoa were found; viability and the sperm with high MMP were positive correlated only with VAP, straight-line (VSL), VCL and ALH evaluated with HTM system. Different results were found for buffalo sperm motility parameters, since viability had positive correlations and mitochondrial activity negative ones. Results suggested that motility assessment performed by these two systems are comparable. The discrepancy of VCL, VAP, and ALH could be due to the difference in the algorithms between software. The open-access CASA plug-in is a reliable alternative to the expensive commercial CASA system for sperm motility assessment in cattle and buffalo.

Assessment of an open-access CASA software for bovine and buffalo sperm motility analysis / Del Prete, Chiara; Blanco Prieto, Olga; Mislei, Beatrice; Iacono, Eleonora; Mari, Gaetano; Cocchia, Natascia; Gasparrini, Bianca; Merlo, Barbara; Bucci, Diego. - In: ANIMAL REPRODUCTION SCIENCE. - ISSN 0378-4320. - ELETTRONICO. - 247:(2022), pp. 1-8. [10.1016/j.anireprosci.2022.107089]

Assessment of an open-access CASA software for bovine and buffalo sperm motility analysis

Del Prete, Chiara
;
Blanco Prieto, Olga;Mislei, Beatrice;Iacono, Eleonora;Mari, Gaetano;Merlo, Barbara;Bucci, Diego
2022

Abstract

The aim of this study was to verify the reliability of an open access CASA software (BGM) to evaluate the sperm motility of cattle and buffalo, comparing motility and kinematic parameters to those of a commercial one (HTM). Thirty frozen-thawed samples for each species were analyzed with both HTM and BGM, after 1 h of incubation at 37 degrees C. Sperm viability and mitochondrial membrane potential (MMP) were evaluated through flow cytometric analysis. Agreement of all motility variables between the two systems was assessed. Correlation analysis was performed to identify relationships between motion parameters and sperm viability and MMP. Bland Altman analysis showed good agreement between methods for all motility parameters except for curvi-linear velocity (VCL) in cattle, and for average path (VAP), VCL and (amplitude of lateral head displacement) ALH in buffalo, that showed a proportional bias (P > 0.05). In both systems, positive correlation between both viability and high MMP and total and progressive motility of cattle spermatozoa were found; viability and the sperm with high MMP were positive correlated only with VAP, straight-line (VSL), VCL and ALH evaluated with HTM system. Different results were found for buffalo sperm motility parameters, since viability had positive correlations and mitochondrial activity negative ones. Results suggested that motility assessment performed by these two systems are comparable. The discrepancy of VCL, VAP, and ALH could be due to the difference in the algorithms between software. The open-access CASA plug-in is a reliable alternative to the expensive commercial CASA system for sperm motility assessment in cattle and buffalo.
2022
Assessment of an open-access CASA software for bovine and buffalo sperm motility analysis / Del Prete, Chiara; Blanco Prieto, Olga; Mislei, Beatrice; Iacono, Eleonora; Mari, Gaetano; Cocchia, Natascia; Gasparrini, Bianca; Merlo, Barbara; Bucci, Diego. - In: ANIMAL REPRODUCTION SCIENCE. - ISSN 0378-4320. - ELETTRONICO. - 247:(2022), pp. 1-8. [10.1016/j.anireprosci.2022.107089]
Del Prete, Chiara; Blanco Prieto, Olga; Mislei, Beatrice; Iacono, Eleonora; Mari, Gaetano; Cocchia, Natascia; Gasparrini, Bianca; Merlo, Barbara; Bucci, Diego
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/904916
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