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Asda Laining
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INDUCTION OF GONADAL MATURATION OF POND CULTURED MALE TIGER SHRIMP, Penaeus monodon WITH DIFFERENT DOSAGES OF GONADOTROPIN RELEASING HORMONE ANALOGUE AGAINST EYE STALK ABLATION Asda Laining; Usman Usman; Rachman Syah
Indonesian Aquaculture Journal Vol 11, No 1 (2016): (June 2016)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (80.077 KB) | DOI: 10.15578/iaj.11.1.2016.23-30

Abstract

Very low naturally mating rate of pond-reared tiger shrimp broodstock is probably due to the slow maturation of the male stock. The aim of this study was to evaluate the salmon gonadotrophin releasing hormone analoque (sGnRHa) in stimulating the gonadal maturation of male stock of pond-reared tiger shrimp. The treatments were three dosages of sGnRHa at 0.1 (OV-1), 0.2 (OV-2), and 0.3 (OV-3) mL/kg of shrimp weight and control was eye stalk ablation (AB). The sGnRHa was administered via injection three times with one week interval. Male stocks with average initial body weight of 82.1 g were randomly distributed into four of 10 m3 concrete tanks, 26 males for each tank. Variables observed were performances of spermatophores and profiles of amino acid and fatty acid of muscle of the male stocks. After induction, number of male maturing indicated by spermatophores releasing from terminal ampullas was higher in shrimp induced with OV-1 (80.8%) compared to control which was only 46.1%. Furthermore, shrimp treated OV-2 had the highest spermatophore weight of 0.16 g compared to control (0.11 g) and other two groups. Amino acid profiles improved as the dose of sGnRHa increased up to 0.2 mL/kg from 61.23% for ablated male becoming 71.27% for OV-2. Total fatty acid also tended to improve by increasing the dose of hormone injection, however, the ablated male had higher total fatty acid content than that of OV-1. The present finding demonstrated that the dose of sGnRHa to stimulate the gonadal maturation of pond-reared male tiger shrimp could be applied at range between 0.1-0.2 mL/kg of shrimp weight.
PENINGKATAN PERFORMA REPRODUKSI INDUK UDANG WINDU, Penaeus monodon JANTAN TAMBAK MELALUI APLIKASI BAHAN ADITIF DALAM PAKAN MATURASI Asda Laining; Samuel Lante; Kamaruddin Kamaruddin
Jurnal Perikanan Universitas Gadjah Mada Vol 16, No 2 (2014)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9106

Abstract

Low mating rate in domesticated tiger shrimp both in pond and controlled tank is probably due to immature spermatozoa because of defi ciency of several micronutrients such as amino acid, certain vitamins and minerals. The purpose of this experiment was to determine the effect of commercial feed additive and to obtain its optimum dose in improving the sperm quality of pond-reared male black tiger. Test diet containing three different levels of feed additive used as treatment at 0 (SX0), 20 (SX20) dan 30 g/kg pakan (SX30). Formulation used in this experiment was standard formulation developed through previous experiment. Two hundreds and fi fty male tiger shrimps were obtained from traditional earthenpond  with weight range from 57 to 99 g and months of age around 8 months (prematuration stage). In order to evaluate the effect of dietary treatments on natural mating rate and fertiled eggs, after 4 months feeding trial, male stocks were mated with wild female tiger shrimp then observed their performances. After 2 moths feeding trial (age of male around 10 months), from 15 male stocks  visually observed, it was still found undevelope spermatophore in each of the tank. Slight development of spermatophore was observed in male stocks fed SX30 around 67% and 53% was found in shrimp fed SX0 and SX20. Furthermore, spermatophore with white color ranged from 13-20% in all dietary treatments. Number of sperm cell in male fed with SX20 was the highest 24 x106 cell and the lowest was found in male fed SX0 yaitu 75 x106 cell. Female maturing without spermatophore in its thelicum was not found in group fed SX0 and female maturing bearing spermatophore was occured in 4 females. Egg fecundity were relative similar in the two groups which was 164,166 eggs obtained in SX0 and 186,489 eggs in SX30. Even though fecundity of the two groups was quite similar, no fertiled egg was spawned by female fed SX0 while in group SX30, 34% of the eggs was fertile and hacthed around 33%. The application of additives as much as 30 g / kg in male tiger shrimp broodstock feed ponds can increase the level of fertilization of eggs by 34% higher than 0% in the feed additive.
Co-Authors Kamaruddin Kamaruddin Rachman Syah Samuel Lante Usman Usman