BIOPOTENSI KELENJAR HIPOFISIS IKAN PATIN (PANGASIUS PANGASIUS) SETELAH PENYIMPANAN KERING SELAMA 0, 1, 2, 3 DAN 4 BULAN

Abstract

Test were conducted to find the biopotency of pituitary glands that have
been dry-preserved for 0, 1, 2 3 and 4 months. Pituitary glands, obtained
from the waste of fillet production plant of Pangasius pangasius, were
dried gradually in acetone. The treatments were dry-preservation time
span in dessicator: 0, 1, 2, 3 and 4 months. This hormone biopotency
testing used extract of late-stage of gonad maturation from female and
from induced-spawning. No significant differences were found in the
percentage of late-stage gonad maturation and ovulation, relative
fecundity, fertility and hatchability from every treatment. The number of
females reaching late-stage of gonad maturation were 100% (for all
months of preservation), while the mean percentages of : relative
fecundity was 18.05% (for 3 months of preservation), fertility was 95.73%
(for 1 month of preservation), 24-hour hatchability was 31.63% (for 0
month of preservation). No significant differences were found for all
preservation time span.