Perfiles leucocitarios en semen de toro y su relación con parámetros de calidad espermática

Autores/as

DOI:

https://doi.org/10.33448/rsd-v14i2.48156

Palabras clave:

Bovino; Post-descongelación; Leucocitospermia; Neutrófilos; Defecto en los espermatozoides.

Resumen

El papel de los leucocitos en el semen sigue siendo controvertido, con efectos beneficiosos, como la eliminación de microorganismos y espermatozoides anormales, y efectos perjudiciales, incluida la producción de especies reactivas de oxígeno (ROS) y la reducción del potencial de fertilidad. La investigación sobre este tema en animales de granja es limitada. Este estudio investigó las correlaciones entre los recuentos diferenciales de leucocitos en el semen de toro y los parámetros del esperma, tanto fresco como post-descongelado. Se recogieron un total de 44 eyaculados de 36 toros adultos utilizando el método de vagina artificial. La citología del semen se realizó con tinción Diff-Quick y los leucocitos se cuantificaron bajo un microscopio óptico. Los parámetros del esperma analizados incluyeron el volumen del eyaculado, la motilidad (fresco y post-descongelado), la concentración y la morfología (defectos mayores, menores y totales). Predominaron los linfocitos (82%), seguidos de los macrófagos (13%), los neutrófilos (4%) y los eosinófilos (1%). Los neutrófilos mostraron correlaciones negativas débiles con los defectos mayores (r = -0,36, P = 0,027) y los defectos totales (r = -0,328, P = 0,047), así como una correlación negativa moderada con la motilidad posterior a la descongelación (r = -0,515, P = 0,0012) en el análisis de correlación de Spearman. Por el contrario, los linfocitos, macrófagos y eosinófilos no mostraron correlaciones significativas con los parámetros espermáticos. Estos hallazgos sugieren que, entre las poblaciones de leucocitos, solo los neutrófilos afectan negativamente la morfología espermática en el semen fresco y la motilidad en el semen descongelado.

Biografía del autor/a

Yasmin El Hayek-Martins, Universidade Estadual Paulista “Julio de Mesquita Filho”

Doutoranda em Biotecnologia Animal - Departamento de Reprodução Animal 

Mariana Karla Francolino da Silva, University of Sao Paulo

Mestre em Reprodução Animal (Departamento de Reprodução Animal)

Fabiana Ferreira de Souza, Universidade Estadual Paulista “Julio de Mesquita Filho”

Doutorado em Medicina Veterinária. Professora Pesquisadora Universidade Estadual Paulista Julio de Mesquita FIlho - UNESP Botucatu.

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Publicado

05/02/2025

Cómo citar

HAYEK-MARTINS, Y. E. .; SILVA, M. K. F. da .; GUERRA, P. B. .; SOUZA, F. F. de .; CRESPILHO, A. M. . Perfiles leucocitarios en semen de toro y su relación con parámetros de calidad espermática. Research, Society and Development, [S. l.], v. 14, n. 2, p. e1614248156, 2025. DOI: 10.33448/rsd-v14i2.48156. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/48156. Acesso em: 30 mar. 2025.

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Ciencias Agrarias y Biológicas