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Corresponding Author
IFFAN MAFLAHAH

Institutions
Department of Agro-industrial Technology, Faculty of Agriculture, University of Trunojoyo Madura, Bangkalan 69162, Indonesia

Abstract
This paper discusses the costs of choosing the technology for the salt production process using the AHP technique. The strength of the strategy to the selection of production process technology based on the benefit-cost ratio by several criteria. The choice of salt production technology is traditional techniques, tunneling techniques, prism techniques, and FDS (Flow down system) techniques. The AHP structures are the criteria and sub-criteria. AHP criteria give impacts such as production process technology, salt quality, production costs, and human resources. From these criteria, the cost of investment modal and maintenance have the highest weight — the quality of salt determined by the color, NaCl content, and size of the salt granules. The criteria for production costs consist of sub-criteria for raw material costs, capital investment costs, and indirect costs. The level of technology is conventional technology, semi-modern technology, and modern technology. Human resources are the experience of farmers in processing salt production. The production costs needed for the salt production process greatly determine the farmer decision to obtain the optimal quality and quantity of salt. The second priority is the ease of production process technology and successively the following criteria as human resources and the quality of the salt produced. The recommended technology for production process based on AHP by using B/C ratio and consideration as indicators are tunnel and prism techniques.

Keywords
Analytical Hierarchy process, salt production technology, selection criteria

Topic
FISHERIES AND MARINE RESOURCES TECHNOLOGY

Link: https://ifory.id/abstract/WTUecp38PdQk

Corresponding Author
Cita Mahardika Hariyono

Institutions
a) Department of Agricultural Product Technology, Faculty of Agricultural Technology, Brawijaya University, Malang 65145, Indonesia
b) Biotech Center, Agency for the Assessment and Application of Technology (BPPT), Tangerang Selatan 15314, Indonesia

Abstract
In fish aquaculture, feed cost has the highest share in the total cost during the production period. The increase in the prices of fishmeal and high cost of industrial fish feed have prompted the search for alternative to commercial feeds. Some research looking for farm-made feed that spending less money on operating costs and easy to apply method. This farm-made fish feed using simple equipment, locally available material, and inexpensive bio-floating agents. This innovation will decrease operating costs and increased profit since fish farmers can make fish feed by themselves. Black soldier fly larvae meal, produced from the larvae of insect Hermetia illucens, has shown promise as a fish meal replacement in diets for fish. Insects has good nutritional value, cheap to produce, and has no conflict with human consumption. In this research, Rhizopus oryzae used as bio-floating agent on the fish feed. Rhizopus oryzae could give certain physical and chemical properties on fish feed such as floating ability, water stability, and also nutritional content due to its metabolic activity. This research is aimed to obtain the optimal fermentation period and inoculum dosage to improve physical characteristic and nutritional value of fish feed. The results showed that fermented floating feeds gained better physical characteristic and nutritional value (p<0.05). Thus, using Black soldier larvae meal might be a feasible alternative protein source for replacement of fish meal. Rhizopus oryzae fermentation also has a potential to be further developed as bio-floating agent and increase nutritional value of fish feed.

Keywords
Fermented fish feed; Rhizopus oryzae; Bio-floating agent; Physicochemical

Topic
FISHERIES AND MARINE RESOURCES TECHNOLOGY

Link: https://ifory.id/abstract/9gFYJxtwEKD4