Alicja Kowalczyk, Inga Kowalewska-Łuczak, Ewa Czerniawska-Piątkowska, Jesús Juan Cantalapiedra, Joaquim Orlando Lima Cerqueira and José Pedro Pinto de Araújo, 2022. Correlation of Polymorphism of AQP7 Gene with the Sperm Cells Quality Traits of the Polish Holstein Friesian Bulls. Pakistan J. Zool., 54: 43-48. DOI: https://dx.doi.org/10.17582/journal.pjz/20210901170933