fig4

Figure 4. OXT concentration (pg per mL of SP) in seminal extracellular vesicles isolated from SP samples of three separate porcine ejaculate fractions: the SRF-P1, the SRF-P2, and the post-SRF. ^****P < 0.0001; ^**P < 0.01. ns: No significant; SP: seminal plasma; OXT: oxytocin; SRF-P1: first 10 mL of the sperm rich fraction; SRF-P2: remainder of the sperm rich fraction; post-SRF: post sperm rich fraction.