THE DESIGN OF AUTOFEEDER USING POLY VINIL CHLORIDE (PVC) THROWER FOR SHRIMP POND

n aquaculture, mainly for shrimp farming, feeding is an important thing. Feeding manually with the hand is less effective and ineffective. Thus, an automatic feeder is needed to dispense food at a predetermined time. The advantages of automatic feeders are cost-effective, reduce labor requirements, and allow large volumes of feed to feed efficiently. Autofeeder is a modern fish feeder that can be used in several ponds. Therefore, in this research, the Autofeeder has been made with PVC pipe for the feed thrower. The test results show that the speed of the electric motor after loading is 2782 rpm. Meanwhile, the thrower maximum distance is 10 m. Keywords Autofeeder, thrower, and PVC pipe

THE EFFECT OF NONI EXTRACT (Morinda citrifolia) FOR THEATMENT OF PARASITE ARGULUS IN COMET FISH (Carassius auratus)

Disease is a threat that can be obstruct the fish growth. Argulus is one of the parasite that need to be watched out because it can interfere the fish growth, and cause secondary of infections that are dangerous for fish. The purpose of this study was to determine the benefits of noni for survival rate of fish and to determine the appropriate concentration of noni extract for culture the fish. This study uses a descriptive method to explain the results of the study. The results showed that giving noni extract at a dose of 1 drop / liter was able to make the argulus break away from fish and noni extract was effective in increasing fish immunity. Keywords Morinda, Parasite, comet fish

COMPOSITION OF CATCH AND MAIN CATCH HANDLING TECHNIQUES OF SURFACE TRAWL ON SEI BEROMBANG VILLAGE, LABUHAN BATU REGENCY, NORTH SUMATRA PROVINCE

Most of the people on Sei Brombang Village work as fishermen. The dominant fishing gears used by fishermen in Sei Brombang village are surface trawl. The main catch is anchovy which is usually carried out directly by the handling process on the vessel by the fishermen. This study aims to determine the catch composition of surface trawl and to determine the handling techniques of the main catch from surface trawl. The main catch of surface trawling is anchovy (Stolephorus sp.) 75% of the total catch. Bycatch of surface trawl are 11% squid (Loligo sp.), 8% snapper (Lutjanus sp.), and 6% Parang-Parang fish (Chirocentrus sp.). Handling techniques of the main catch (anchovy) in a vessel with the stages: collecting the catch, sorting, washing, boiling, draining, and drying. Keywords Catch composition, Handling techniques, Surface Trawling

THE STUDY OF AUTOFEEDER LAYOUT AND THROWER DISTANCE AT CV PUTRA GUNUNG SARI SEGARA VILLAGE LELATENG KECAMATAN NEGARA KABUPATEN JEMBRANA, BALI PROVINCE

Feeding is one of the factors that influence shrimp farming. Feeding should be done regularly. The amount of feed can affect the shrimp's growth. Less amount of feed can hinder the shrimp’s growth and the shrimp become malnourished. On the other hand, the high amount of feed can cause contamination from wasted food scraps. Autofeeder is a technology that can regulate shrimp feeding. Automatic fish feeder is a tool that can automatically spread shrimp feed and adjust the frequency of feeding. Besides, the automatic fish feeder can also reduce the effort and time for farmers to feed fish. The purpose of this research is to learn about the Autofeeders operation, layout, and thrower distance in CV Putra Gunung Sari Segara, Lelateng Village, Kecamatan Negara, Kabupaten Jembrana, Bali Province. Keywords Atofeeder, layout, and the thrower distance

SOCIAL ECONOMIC CONDITIONS OF COASTAL OMMUNITIES IN BATUI DISTRICT, BANGGAI DISTRICT, CENTRAL SULAWESI PROVINCE

Most of the people who live in coastal villages are fishermen and are very dependent on marine resources and coastal ecosystems. The purpose of this study was to determine the socio-economic conditions of coastal communities that exploit the potential of the coast in Batui District, Banggai District. This research was conducted in the coastal area of Batui District, Central Sulawesi Province. Data were collected by means of surveys and interviews. The data analysis was done qualitatively and descriptively. The social conditions of the coastal communities in Batui District mostly live on the coast with less dense population density. The aspect of education shows that the average coastal community with a Bachelor degree is 40% with the human development index (HDI) in the medium category. It is seen from the economic condition that the livelihoods of the coastal communities in Batui District are dependent on the fishery sector, namely partly as fishermen. The fishing gear and fishing fleet used for fisheries in the research location are small-scale fisheries. Keywords coastal communities, small-cale fisherie, capture fisheries and Batui District

CONSTRUCTION OF FEEDING EQUIPMENT SYSTEM OF PIPE TALANG (Automatic Feeder) IN CULTIVATION OF SHRIMP (Caridea)

The feed spread system that has been used by shrimp cultivators is by spreading the feed around the pond area by rowing using a boat or by circling the pond while carrying feed, this is deemed ineffective because the energy required in feeding using this method is very large so that the Farmers often experience fatigue which means a lot, therefore it is necessary to have a tool that can be used to help shrimp cultivators in providing feed to shrimp, one of which is by using a feeder with a pipe gutter system (Automatic feeder). This research was conducted for 3 (three) months starting from June to August 2019 at the Dumai Marine and Fisheries Polytechnic Workshop. The purpose of this research is to find out how the construction and working steps of the automatic feeder system shrimp feeder. The method used in this research is an experimental method, namely making, testing and applying these tools at the Dumai Marine and Fisheries Polytechnic Workshop. The results showed that this tool has been successfully made and applied with a fiber tub with a capacity of 2 tons with a water height of approximately 3 cm. The feed is prepared in the tool as much as 20 grams, then this tool is operated so that the feed can fall to the bottom of the tub properly and evenly. This automatic feeder system has several advantages and disadvantages, both from a technical, economic, social and cultural perspective. Keywords Construction, pipe gutter, shrimp fiber tub

OPERATION STUDY AND CONSTRUCTION OF PURSE SEINE AT KM MARWAH LAMPULO ACEH UTARA

Aceh is a province located at the western tip of Indonesia. Aceh's territorial waters are very strategic waters. The dominant fishing gear used by fishermen in Aceh is the purse seine. The reason many fishermen use purse seines in Aceh is because the waters of Aceh have a lot of pelagic fish potential, where the target of purse seines is pelagic fish. The purpose of this research is to know and understand the construction of purse seines in KM Marwah Lampulo Aceh Utara; as well as knowing and understanding the operation of purse seine fishing gear in Lampulo, North Aceh. The type of purse seine used by KM Marwah is trapezoid. Ring seine construction with PE (Polyethylene) nets with mesh sizes of 1-3 inches. The upper ris rope is 600 m long and 10 mm in diameter, while the lower ris rope is 12 mm in diameter, with a length of 600 m. Selvedge is used for net protection so that it is not easily torn. PE (Polyethylene) rope with a length of 650 meters. PE (polyethylene) based weight rope. Ring strap with a diameter of 10 mm and made from PE (polyethylene). 6000 pieces of PVC-based buoys and 4800 lead-based weights. The operation of the purse seine consists of a setting, namely the process of preparing and lowering the trawl fishing gear into the water, after the catch is collected and the nets have formed a bowl, then proceed with hauling, which is the activity of raising fishing gear onto the ship. Keywords Aceh, construction, operation, purse seine

APPLICATION OF TRACEABILITY SYSTEM ON DRAGON FEET PRODUCTS USING THE TRACING AND TRACKING SYSTEM AT FISERIES INDUSTRY

Consumer rejection is usually related to quality problems. The quality expected by consumers is of course the dragon fish feet which have SNI 7759.2013 standards. One of the concepts of food quality and safety that are recommended to support and guarantee food quality is the traceability system. There are 2 aspects to the traceability system, tracing, and tracking, which function as tools in recording the production footprint of a product. The purpose of the implementation of the research is to know the application of the traceability system on the product of the dragon's foot and to know the tracking and tracing system at PT. Ardena Artha Mulia. This research was carried out with data analysis methods and data collection techniques that would be carried out in the form of observations, interviews, literature studies, and documentation. The results of this Environmental Impact Assessment Audit Commission indicate that the process of making dragon foot products in PT. Ardena Artha Mulia, which started from the process of receiving materials to the delivery/stufing process, has implemented a traceability system by carrying out 2 aspects of the traceability system, the tracing, and tracking system. Evidence that the process of making dragon foot products has been implemented well with the stages of monitoring forms in each manufacturing process. On each monitoring form, a production code will be included to make it easier for manufacturers to track the product if something goes wrong so the factory can trace the root of the problem. Keywords fishsauce, bulu ayam fish, bromelain enzyme, fermentation

SUITABILITY OF SIBOLGA PURSE SEINE CONSTRUCTION BASED ON GOVERNMENT POLICIES

Fish distribution from Sibolga was caught using purse seine. This fishing gear is very popular among fishermen in Sibolga. The main construction with a mesh size < 1 inch is very beneficial for fishermen. The purpose of this report is to determine the types of purse seine operating at PPN Sibolga and to analyze the suitability of purse seine construction based on government policies. The methods used were interviews and observation. Data collection was done by measuring 5 samples. The result is that the type of purse seine that operates at PPN Sibolga consists of 2 types, namely auxis purse seine and tight purse seine. The length of the purse seine construction used is 500 meters with a mesh size of 20-30 mm, while based on KEPMEN KP number 71/2016, the length of the net of 300–600 m must have a mesh size of ≥ 1 inch. The mesh size used by Sibolga fishermen is smaller and does not comply with regulations. Other constructions are stated to be in accordance with the references listed. Keywords Construction, mesh size, purse seine, Sibolga

STRUCTURE OF UTILIZATION OF LIVING DIVERSITY OF WILD ANIMAL BY COMMUNITY IN COASTAL AREA OF TOMU DISTRICT, TELUK BINTUNI DISTRICT, PAPUA BARAT

Tomu District is one of the areas in the coastal district of Teluk Bintuni, West Papua. The accelerated development that continues to develop will significantly affect the existence of wildlife in the Tomu District. The purpose of this study was to identify the diversity and distribution of coastal wildlife in Tomu district. In addition, this study wants to identify the structure of its use by the community. The study was conducted in Tomu District, Bintuni Bay Regency in January 2017. The method used was rapid observation in three sample points as representatives of three habitat types. In addition, interviews were conducted with community representatives in the Tomu District. The results showed that there were 44 species of birds, 3 types of mammals, and 5 types of herpetofauna found during the study. Based on information from the community, 3 species of animal were found in the study area but were not found during the study. The utilization structure by the community consists of the utilization of direct values (economic / recreation) and non-use value (conservation) and there is no utilization to take indirect values from their biological wealth. Keywords: Tomu District, biodiversity, wildlife, utilization structure, Bintuni Bay