INFLUENCE OF D-FRUKTOSA AND EGG YOLK TOWARD PERANAKAN ETAWA (PE) GOAT SPERMATOZOA QUALITY IN SEXING PROCESS USE SENTRIFUGATION GRADIEN DENSITAS PERCOLL METHODE ON TIME BEFORE FREEZING AT 3000 RPM (Fakultas Peternakan, Universitas PGRI Kanjuruhan Malang, 2014)