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PENGARUH PENAMBAHAN KAPUR (CaCO3) PADA MEDIA PEMELIHARAAN TERHADAP PERTUMBUHAN UDANG GALAH Macrobrachium rosenbergii de Man, 1879 Encik Jumarni Roshaliza; Nurul Suwartiningsih
Bioma : Jurnal Ilmiah Biologi Vol. 9 No. 1: April 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v9i1.6039

Abstract

Udang galah (Macrobrachium rosenbergii) de Man adalah salah satu spesies udang air tawar asli Indonesia yang sudah dikembangkan. Salah satu kendala dalam budidaya udang galah adalah pertumbuhan yang relatif lambat. Penelitian ini dilakukan untuk mengkaji pengaruh penambahan kapur (CaCO3) dengan berbagai konsentrasi yaitu 0 mg/L atau tanpa penambahan kapur, 15 mg/L, 30 mg/L, dan 45 mg/L terhadap pertumbuhan udang galah. Penelitian dilakukan dengan metode eksperimen (percobaan) menggunakan Rancangan Acak Lengkap (RAL) dengan 6 kali ulangan pada setiap perlakuan, dengan masing-masing ulangan terdapat 5 sampel. Parameter pertumbuhan yang diamati berupa bobot, panjang total, panjang abdomen, dan frekuesi moulting udang galah. Hasil penelitian menunjukkan bahwa penambahan kapur (CaCO3) berpengaruh pada pertambahan bobot, panjang total, panjang abdomen, dan frekuensi moulting udang galah. Pertambahan bobot, panjang total, panjang abdomen, dan frekuesi moulting yang paling optimal dengan penambahan konsentrasi kapur 45 mg/L.  Kata kunci: kalsium karbonat (CaCO3), pertumbuhan, udang galah.
KARAKTERISASI KROMOSOM UDANG GALAH (Macrobrachium rosenbergii) POPULASI SIRATU DAN MAHAKAM Diah Asta Putri; Nurul Suwartiningsih
Scripta Biologica Vol 6, No 2 (2019)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

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Abstract

Giant freshwater prawn is one of Indonesia's freshwater prawn that has advantages such as fast growth and good meat quality. The continuous crossing of giant freshwater prawn that are closely related causes a decrease in its genetic diversity. In addition, the domestication process can also influences changes in the number and shape of chromosomes. This study is to determine the chromosome characters of domestication giant freshwater prawn (Siratu)  and those derived from natural catches (Mahakam) which are cultured in the Unit Kerja Budidaya Air Payau Balai Budidaya Udang Galah (UKBAP BBUG) Samas. Research on the characterization of chromosome of giant freshwater prawn from both natural and domesticated populations needs to be done to obtain genetic information, especially chromosome characters. This information is useful to further support the process of breeding and for the certification process of giant freshwater prawn. Chromosome length measurements were carried out using the Image Raster 3 program. The shape of the chromosomes was determined by following the classification of Levan et al. (1994) based on the Sentromer Index Value obtained. The results showed that the number of chromosomes in the population of Siratu and Mahakam were 2n = 118. The giant freshwater prawn of Siratu population had the karyotype formula 2n = 118 = 94 m + 24 sm, while the giant freshwater prawn Mahakam population had the karyotype formula 2n = 118 = 118 m.
PEMBERDAYAAN ANGGOTA PIMPINAN CABANG ‘AISYIYAH (PCA) GAMPING DALAM PENGOLAHAN SAMPAH POPOK SEKALI PAKAI Oktira Roka Aji; Ambar Pratiwi; Nurul Suwartiningsih
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 6 No 1 (2023): APTEKMAS Volume 6 Nomor 1 2023
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/apts.v6i1.4717

Abstract

Disposable diaper waste takes hundreds of years to decompose and cause environmental pollution if disposed of directly into landfills or rivers. Therefore, innovation in the processing of disposable diaper waste and increasing public awareness for the processing of disposable diaper waste at the household level are needed. The purpose of this community service is to provide counseling and training to members of the Aisyiyah Branch (PCA) Gamping, Yogyakarta in managing disposable diaper waste into planting media. This activity was attended by 15 people from the board and members of PCA Gamping as well as local community leaders. The result of this community service activity is that there is an increase in the knowledge and skills of participants in processing disposable diaper waste into planting media. Through this activity, it is hoped that it will be useful to help reduce environmental pollution due to disposable diaper waste.