ABSTRACT: The effect of methods to remove protein content on the properties glucosamine hydrochloride from shells white leg shrimp (Litopenaeus vannamei) and black tiger (Penaeus monodon) was investigated. Chitin obtained by demineralization in 6% HCl for 12h, deproteinization two different (first group soaked 8% NaOH 36h second treated Alcalase enzyme at concentration 0.2% 36h). Two samples we...

Abstrak: Maraknya aktivitas tambak udang Vaname (Litopenaeus vannamei) di wilayah pesisir lokasi mitra berdampak secara langsung bagi masyarakat sekitar. Dampak yang dirasakan nelayan adalah berkurangnya hasil tangkap laut dan olah biasanya untuk konsumsi dijual serta banyak terpapar malaria demam berdarah. Tujuan pengabdian dilakukan meningkatkan pengetahuan kemampuan dalam menjaga keseimbanga...

Shrimp farmers have reported mass mortality of white shrimp (Litopenaeus vannamei), reaching 2-3 kg/day in Gerongan Village, Kraton District, Pasuruan Regency mid-2021. Preliminary analysis suggests that was caused by bacterial diseases. Thus, to find out the main pathogen causing mortality, present study investigated microbial composition rearing media vannamei) infected feces disease (WFD) an...

To analyze the effects of ambient microbiota on gut Pacific white shrimp, Litopenaeus vannamei, at different aquaculture stages, shrimp and water sediment stages were collected analyzed through high-throughput sequencing 16S rDNA. Our results showed that various alpha-diversity indices late stage (LAS) significantly higher than those early (EAS). The average degree co-occurrence network constru...

Abstract Vibriosis is one of the bacterial diseases that caused by a group Vibrio bacteria. The total abundance bacteria exceed normal threshold can cause mass death in vannamei shrimp (Litopenaeus vannamei) aquaculture. study aimed to analyze sp. rearing ponds. was analyzed using plate count agar methode on TCBS and CHROMagar selective media. Histopathological analysis also carried out determi...