Reproduction, fertility, and development · 2022
Transit along the vas deferens results in a high percentage of filiform spermatozoa with compacted chromatin in the rooster (Gallus domesticus).
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Bernal B, Behnamifar A, Álvarez-Rodríguez C, Toledano-Díaz A, Castaño C, Velázquez R, Gil M G, Gutiérrez-Adán A, Woelders Henri, Blesbois E, Santiago-Moreno J
Аннотация
The present work aimed to evaluate the chromatin compaction of rooster spermatozoa along the male reproductive tract, and to study the vas deferens lining cells, potentially involved in sperm maturation. Chromomycin A3 (CMA3) was used to determine the chromatin compaction of spermatozoa from testis (T), proximal (including epididymis, V1), intermediate (V2) and distal (V3) vas deferens, and ejaculate (E). Six Birchen Leonesa roosters were used. E was obtained in vivo by dorso-ventral massage. V1, V2 and V3 sperm were obtained post mortem (six pairs of vasa deferentia), by flushing. T was obtained by washing the testes, cut in halves. The fixed cells were stained with CMA3 and propidium iodide for flow cytometry assessment. Results showed higher (P P P.