Quality parameters and fertility of ram semen cryopreserved in egg yolk and soybean lecithin supplemented extenders
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The aim of the study was to investigate the effect of soybean lecithin as a substitute for egg yolk in milk and tris based extenders in ram semen cryopreservation. Twenty ejaculates were col- lected from four healthy, mature Wrzosówka rams (2-3 years of age).... ...
