Joko Yunianto Prihatin, Slamet Pambudi, Niki Agastia Mutaqin, Cahya Sinatrya

EMPOWERMENT OF NILA FISH FARMING WITH SAVE ENERGY WATER WHEEL AT KARANGANYAR DISTRICT

Introduction

Empowerment of nila fish farming with save energy water wheel at karanganyar district. Empower Nila fish farming in Karanganyar with an energy-saving water wheel. Improve pond oxygen quality, accelerate fish growth, and reduce operational costs effectively.

Abstract

Nila fish is a food source containing animal protein, which is important for human health. The health of nila fish is the main factor that is prioritized by a number of cultivators and livestock breeders. The more quality air in the pond, the more stable the pond temperature will be, and the fish growth will accelerate. The air source comes from nature and is artificial, using a water wheel. The main problem is that the driving engine resource is quite large, 1 pk, which increases operational costs. This activity has the main objective of applying the energy-saving horizontal water mixing technique in fish pond cultivation. The method applied is observation of needs and problems, followed by design and manufacture of tools, and ending with periodic evaluation. The result achieved is that a 1/5 pk energy-efficient water wheel using a gear transmission is able to increase the quality of oxygen content in the tilapia pond.

Review

This paper addresses a highly relevant issue within aquaculture, specifically the sustainability and efficiency of Nila fish farming in the Karanganyar District. The authors correctly identify high operational costs, primarily driven by energy-intensive water mixing equipment, as a major hurdle for cultivators. The core objective – to apply and test an energy-saving horizontal water mixing technique – is well-articulated and directly targets this practical challenge, promising benefits for fish health and growth by maintaining stable pond temperatures and adequate oxygen levels. The methodology outlined, involving needs observation, design, manufacturing, and periodic evaluation, suggests a practical, applied research approach. The key finding, that a 1/5 pk energy-efficient water wheel with gear transmission successfully increases oxygen content in tilapia ponds, is a promising outcome. This directly supports the paper's aim to reduce energy consumption, potentially leading to lower operational costs and improved pond conditions, aligning with the goal of enhanced fish health and accelerated growth. This shift from a 1 pk to a 1/5 pk motor represents a significant potential energy saving. While the findings present a compelling step towards more sustainable aquaculture, the abstract would benefit from greater quantitative detail. For instance, specific metrics of "increased quality of oxygen content" (e.g., dissolved oxygen levels before and after, compared to the 1 pk system, or ideal ranges) would significantly strengthen the empirical evidence. Furthermore, the abstract does not elaborate on how the "EMPOWERMENT" aspect, highlighted prominently in the title, was measured or observed, which leaves a gap between the stated ambition and the reported technical results. Future iterations or the full paper should detail the duration and scope of the "periodic evaluation" and provide more robust data to fully substantiate the claimed energy efficiency and its broader economic and social impacts on the Karanganyar District's fish farmers.

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