HYBRIDIZATION of GOLD FISH (Carassius auratus auratus) with TAWES (Barbonymus gonionutus)

Zulfirman Ginting, Nuraini ', Sukendi '


This research was conducted from April-December 2014 in Hatchery and
Breeding Laboratory, Faculty of Fisheries and Marine Sciences, University of
Riau. The objective of this research was to evaluate the intergeneric hybridization
between gold fish (Carassius auratus auratus) with silver barb fish (Barbonymus
gonionotus) by comparing the fertilization rate, hatching rate, survival rate in four
days (SR-4), survival rate for 30 days (SR-30), extra weight and value heterosis (
hybrid vigor ) between fish larvae results hybridization with fish control. The
method is applicable in the experimental methods, where spawning artificial was
conducted by the use of eggs and fish sperm of a comet (Carassius auratus
auratus) and silver barb (Barbonymus gonionotus) that has been injected using
ovaprim with a dose of 0,5ml / kg.
The highest percentage of fertilization is marriage ♂ K x ♀ K (88,8%),
follow by ♀ K x ♂ T (85,505%), ♀ T x ♂ T (36,65%) ♀ T x ♂ K 0%. The highest
persenatage hatching is a control that is ♂ T x ♀ K (94.285%), which followed ♀
K x ♂ K (74,655%), ♀ T x ♂ T (54,72%) and ♀ T x ♂ K (0%). The highest
percentage of survival rate 30 days in sequence is ♀ K x ♂ T (44,97%), ♀ K x ♂
K (41,985%) and ♀ T x ♂ T (6,15%). The highest weight added sequentially is
the larvae of spawning results ♀ K x ♂ K (0,513 g), ♀ T x ♂ T (0,343 g) dan ♀ T
x ♂ K (0,328 g). All values of heterosis is negative except at the heterosis B but
not the absolute weight.
Key words : hibrydization, gold fish, silver bard


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