Fig 1.
Forms of semen that can be collected from internally fertilizing caudates following hormone induction include (A) spermatophore, (B) milt, and (C) spermic urine.
Fig 2.
Hormone treatment and semen collection.
Exogenous hormone treatment (A) by intramuscular injection and sperm collection, and (B) sperm collection through pelvic stimulation and pressure.
Fig 3.
Progressive and non-progressive motility.
Progressive motility (A) and non-progressive motility (B) over time of pooled milt and spermic urine samples when stored at 0°C and 20°C.
Fig 4.
Total motility over time of milt and spermic urine when each collection type is stored at 0°C and 20°C.