AI Article Synopsis
- The study focused on the diet of the freshwater prawn Macrobrachium equidens, testing different food types and densities for optimal larval development.
- Eight food treatments were tested, including a combination of microalgae, rotifers, and Artemia, with results indicating larvae needed Artemia nauplii for their survival and growth.
- The research also found that larval feeding occurred mainly during the day, and larvae adapted to varying food densities, showing opportunistic feeding behavior.
Article Abstract
In the present study, we carried out experiments on the diet of the freshwater prawn Macrobrachium equidens. We tested which type of food and which density of food is suitable for larval development. For the experiment on the type of food, eight treatments were carried out: (I) starvation, (AL) microalgae, (RO) rotifers, (AN) Artemia, (RO + AN) rotifers + Artemia, (AL + RO) microalgae + rotifers, (AL + AN) microalgae + Artemia, (AL + RO + AN) microalgae + rotifers + Artemia. For the experiment on the density of food, we used the type of food, which had resulted in a high survival rate in the previous experiment. Three treatments were carried out: 4, 8 and 16 Artemia nauplii /mL. The rate of feeding during larval development was observed. The survival, weight and percentage of juveniles of each feeding experiment were determined. We found that larvae are carnivores; however, they have requirements with respect to the type of food, because larvae completed their cycle from the zoeal to the juvenile stage only when Artemia nauplii were available. We also verified that the larvae feed mainly during the day-time, and are opportunistic with respect to the density of food offered.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1590/0001-3765201420130079 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
A Comprehensive Understanding of Tea Metabolome: From Tea Plants to Processed Teas.
Annu Rev Food Sci Technol
January 2025
4Division of Food and Nutrition, Chonnam National University, Gwangju, Republic of Korea; email:
Tea () is one of the most popular nonalcoholic beverages in the world, second only to water. Six main types of teas are produced globally: green, white, black, oolong, yellow, and Pu-erh. Each type has a distinctive taste, quality, and cultural significance.
View Article and Find Full Text PDFSelf-Management Strategies for Low Back Pain Among Horticulture Workers: Protocol for a Type II Hybrid Effectiveness-Implementation Study.
JMIR Res Protoc
January 2025
Department of Pediatrics, School of Medicine, University of Virginia, Charlottesville, VA, United States.
Background: Low back pain (LBP) is highly prevalent and disabling, especially in agriculture sectors. However, there is a gap in LBP prevention and intervention studies in these physically demanding occupations, and to date, no studies have focused on horticulture workers. Given the challenges of implementing interventions for those working in small businesses, self-management offers an attractive and feasible option to address work-related risk factors and manage LBP.
View Article and Find Full Text PDFStructural insights into the role of reduced cysteine residues in SOD1 amyloid filament formation.
Proc Natl Acad Sci U S A
February 2025
Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, CALS, Seoul National University, Seoul 08826, Republic of Korea.
The formation of superoxide dismutase 1 (SOD1) filaments has been implicated in amyotrophic lateral sclerosis (ALS). Although the disulfide bond formed between Cys57 and Cys146 in the active state has been well studied, the role of the reduced cysteine residues, Cys6 and Cys111, in SOD1 filament formation remains unclear. In this study, we investigated the role of reduced cysteine residues by determining and comparing cryoelectron microscopy (cryo-EM) structures of wild-type (WT) and C6A/C111A SOD1 filaments under thiol-based reducing and metal-depriving conditions, starting with protein samples possessing enzymatic activity.
View Article and Find Full Text PDFFirst Report of Apple Chlorotic Leaf Spot Virus in Pome and Stone Fruit Trees in Azerbaijan.
Plant Dis
January 2025
Cornell University, Ithaca, New York, United States;
Azerbaijan is major producer of fruit crops, such as pome and stone fruits, in the Caspian Sea and Caucasus Mountains areas (FAO Stat, 2022). No information is available on the occurrence of apple chlorotic leaf spot virus (ACLSV, genus Trichovirus, family Betaflexiviridae) in the country. Therefore, the main fruit tree production areas in Azerbaijan were surveyed for ACLSV during the 2017-2019 growing seasons by DAS-ELISA using ACLSV reagents (Neogen - Scotland, UK) (Clark and Adams 1977).
View Article and Find Full Text PDFEmerging Immunotherapies for Disease Modification of Type 1 Diabetes.
Drugs
January 2025
Division of Endocrinology, Department of Pediatrics, College of Medicine, University of Florida, 1699 SW 16th Ave, Building A, Gainesville, FL, 32608, USA.
Type 1 diabetes mellitus (T1DM) is characterized by the progressive, autoimmune-mediated destruction of β cells. As such, restoring immunoregulation early in the disease course is sought to retain endogenous insulin production. Nevertheless, in the more than 100 years since the discovery of insulin, treatment of T1DM has focused primarily on hormone replacement and glucose monitoring.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!