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All Journal Prosiding Seminar Nasional MIPA JFMR (Journal of Fisheries and Marine Research)
Mohamad Fadjar
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Engineering Environmental Science

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 1 
EFECT OF LASERPUNCTURE INDUCTION TO INCREASE GSI AND HSI MALE CATFISH BROODSTOCKS Dyah Hariani; Erlix Rachmad Purnama; Tarsan Purnama; Mohamad Fadjar
JFMR (Journal of Fisheries and Marine Research) Vol 4, No 1 (2020): JFMR VOL 4 NO 1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2020.004.01.11

Abstract

Induction of laser puncture in the male catfish broodstock has a positive influence by increasing reproductive activity which is very helpful for the process of gonadal maturation. The contribution of laser puncture induction in accelerating gonadal maturation can be seen with an increasing in the value of Gonado Somatic Index (GSI) and Hepato Somatic Idex (HIS) indicators. The purpose of this study was to examine the effect of laser puncture induction on increasing the value of GSI and HIS male catfish broodstock. This experimental study used 48 broodstocks of one year old male catfish with a body weight of 1000-1200 g maintained in a concrete pond. The treatment consisted of 2 groups i.e. without induction and induction of laser puncture, each treatment was repeated 4 times. Laser puncture induction was performed every 15 days at the point of reproduction for 15 seconds until the 75th day. The parameters observed were GSI and HIS. The results showed that there was a highly significant increase (P <0.002) in the value of GSI and HSI in male male catfish broodtock after induced by laser puncture. Conclusion for this research was laser punctur induction at the point of reproduction in male catfish can accelerate gonadal maturation with indicators of increasing GSI and HIS values. 
TINGKAT TRANSFER OKSIGEN KINCIR AIR SELAMA PERIODE BLIND FEEDING BUDIDAYA INTENSIF UDANG PUTIH (Litopenaeus vannamei) Heri Ariadi; Abdul Wafi; Mohamad Fadjar; Mohammad Mahmudi
JFMR (Journal of Fisheries and Marine Research) Vol 4, No 1 (2020): JFMR VOL 4 NO 1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (764.662 KB) | DOI: 10.21776/ub.jfmr.2020.004.01.2

Abstract

Efektifitas penggunaan kincir air selama masa periode blind feeding budidaya intensif udang vannamei (Litopenaeus vannamei) merupakan salah satu kegiatan penting yang harus diperhatikan demi kelangsungan siklus budidaya yang stabil. Tujuan dari penelitian ini adalah untuk mengetahui tingkat transfer oksigen oleh kincir air serta hubunganya terhadap parameter harian kualitas air tambak. Peneltian ini dilakukan dengan konsep desain kausal ex-post facto selama 30 hari awal masa budidaya intensif udang vannamei (Litopenaeus vannamei) atau selama periode blind feeding budidaya. Hasil penelitian menunjukan bahwa nilai parameter kualitas air di lokasi tambak masih sesuai ambang batas. Sedangkan tingkat transfer oksigen oleh kincir air bersifat fluktuatif selama 30 hari masa pengamatan. Sementara dari hasil uji korelasi menunjukan bahwa hanya variabel suhu dan salinitas air memiliki keeratan hubungan yang kuat terhadap proses transfer oksigen oleh kincir. Sehingga dapat disimpulkan bahwa fluktuasi tingkat transfer oksigen oleh kincir air akan berpengaruh ataupun dipengaruhi oleh kondisi suhu dan salinitas air tambak.
Pengaruh Perbedaan Sistem Budidaya terhadap Pola Pita Protein Daging Udang Vaname (Litopenaeus vannamei) Ni Nyoman Dian Martini; Happy Nursyam; Mohamad Fadjar
Prosiding Seminar Nasional MIPA 2015: PROSIDING SEMINAR NASIONAL MIPA UNDIKSHA 2015
Publisher : Prosiding Seminar Nasional MIPA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penerapan teknologi bioflok, sistem budidaya heterotrofik dengan pertukaran air minimal, saat ini sedang dikembangkan dalam kegiatan budidaya udang vaname (Litopenaeus vannamei) karena dapat memberikan produktivitas yang lebih tinggi, konversi pakan yang lebih rendah, dan kualitas air yang lebih stabil. Pada teknologi bioflok, bakteri heterotrofik di dalam sistem budidaya cenderung membentuk agregat (bioflok) yang dapat dikonsumsi oleh udang sebagai sumber protein alami. Dalam penelitian ini, studi SDS-PAGE dilakukan pada daging L. vannamei sepanjang siklus produksi tambak intensif dengan sistem budidaya yang berbeda (Fitoplankton, Semi-Bioflok, dan Bioflok) untuk menyelidiki pengaruh sistem budidaya yang berbeda tersebut terhadap pola pita protein daging L. vannamei. Penelitian ini berlangsung pada beberapa lokasi di Kabupaten Tuban, Jawa Timur. Tujuan penelitian ini adalah untuk memperoleh karakteristik pita protein daging L. vannamei yang berasal dari sistem pemeliharaan yang berbeda. Hasil penelitian menunjukkan bahwa sistem bioflok menghasilkan pola pita protein dengan variabilitas yang lebih tinggi karena sistem ini dapat mempertahankan kualitas air yang baik selama pemeliharaan dan menyediakan sumber protein alternatif berupa bioflok bagi L. vannamei selain pakan pelet.Kata kunci: udang vaname (L. vannamei), sistem bioflok, daging, pita protein, SDS-PAGEAbstractApplication of biofloc system, a heterotrophic culture with minimal water exchange, has gained interest particularly in relation to providing high productivity, low feed-conversion ratios, and a stable culture environment, especially in shrimp. In biofloc system, heterotrophic bacterial tends to form noticeable aggregates (biofloc), which can be consumed by shrimp as a natural protein source. In relation to this, the impact of different culture systems on white shrimp (L. vannamei) muscle protein patterns was investigated. In this research, an SDS-PAGE study was performed on white shrimp muscle tissue along the production cycle in intensive shrimp culture ponds with different culture systems (Phytoplankton, Semi-Biofloc, and Biofloc). The study was located in different areas of the District of Tuban, East Java. The aim of this study was to accomplish systematic characterization of the white shrimp muscle protein pattern, which derives from each of the ponds with different rearing systems. The result of the study showed that the biofloc system yields variability of protein pattern as it maintains good water quality throughout the culture and provides an alternative protein source (as biofloc) for the shrimp besides the pellet.Key words: white shrimp (L. vannamei), biofloc system, muscle, protein pattern, SDS-PAGE
EFECT OF LASERPUNCTURE INDUCTION TO INCREASE GSI AND HSI MALE CATFISH BROODSTOCKS Dyah Hariani; Erlix Rachmad Purnama; Tarsan Purnama; Mohamad Fadjar
JFMR (Journal of Fisheries and Marine Research) Vol. 4 No. 1 (2020): JFMR
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2020.004.01.11

Abstract

Induction of laser puncture in the male catfish broodstock has a positive influence by increasing reproductive activity which is very helpful for the process of gonadal maturation. The contribution of laser puncture induction in accelerating gonadal maturation can be seen with an increasing in the value of Gonado Somatic Index (GSI) and Hepato Somatic Idex (HIS) indicators. The purpose of this study was to examine the effect of laser puncture induction on increasing the value of GSI and HIS male catfish broodstock. This experimental study used 48 broodstocks of one year old male catfish with a body weight of 1000-1200 g maintained in a concrete pond. The treatment consisted of 2 groups i.e. without induction and induction of laser puncture, each treatment was repeated 4 times. Laser puncture induction was performed every 15 days at the point of reproduction for 15 seconds until the 75th day. The parameters observed were GSI and HIS. The results showed that there was a highly significant increase (P <0.002) in the value of GSI and HSI in male male catfish broodtock after induced by laser puncture. Conclusion for this research was laser punctur induction at the point of reproduction in male catfish can accelerate gonadal maturation with indicators of increasing GSI and HIS values. 
TINGKAT TRANSFER OKSIGEN KINCIR AIR SELAMA PERIODE BLIND FEEDING BUDIDAYA INTENSIF UDANG PUTIH (Litopenaeus vannamei) Heri Ariadi; Abdul Wafi; Mohamad Fadjar; Mohammad Mahmudi
JFMR (Journal of Fisheries and Marine Research) Vol. 4 No. 1 (2020): JFMR
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2020.004.01.2

Abstract

Efektifitas penggunaan kincir air selama masa periode blind feeding budidaya intensif udang vannamei (Litopenaeus vannamei) merupakan salah satu kegiatan penting yang harus diperhatikan demi kelangsungan siklus budidaya yang stabil. Tujuan dari penelitian ini adalah untuk mengetahui tingkat transfer oksigen oleh kincir air serta hubunganya terhadap parameter harian kualitas air tambak. Peneltian ini dilakukan dengan konsep desain kausal ex-post facto selama 30 hari awal masa budidaya intensif udang vannamei (Litopenaeus vannamei) atau selama periode blind feeding budidaya. Hasil penelitian menunjukan bahwa nilai parameter kualitas air di lokasi tambak masih sesuai ambang batas. Sedangkan tingkat transfer oksigen oleh kincir air bersifat fluktuatif selama 30 hari masa pengamatan. Sementara dari hasil uji korelasi menunjukan bahwa hanya variabel suhu dan salinitas air memiliki keeratan hubungan yang kuat terhadap proses transfer oksigen oleh kincir. Sehingga dapat disimpulkan bahwa fluktuasi tingkat transfer oksigen oleh kincir air akan berpengaruh ataupun dipengaruhi oleh kondisi suhu dan salinitas air tambak.
Co-Authors Abdul Wafi Abdul Wafi Dyah Hariani Erlix Rachmad Purnama Happy Nursyam Heri Ariadi Mohammad Mahmudi Ni Nyoman Dian Martini Tarsan Purnama