Abstract
The paper reviews the existing state of fishing worldwide and in Bulgaria. Then the scheme is determined, according to which the live fish moves from the water basins in which it is raised and lives until it is sent to the store network and the end customers. As a result of the studies conducted, two-week points in the transitional warehouses have been identified. They are characterized by four main indexes: oxygen, temperature, Ph acidity and water level in the container. It these four are not within the determined allowances, it is possible the quality of the environment for storing the live fish to be deteriorated, which can lead to premature death of the fish. In this respect, a regression model with the four main indexes that are to be monitored and maintained within the allowance values has been created for achieving high quality of the storage environment. For the regression model has been determined a coefficient of determination R = 0.9131, and a Fisher’s criterion, which is 5.0143 compared to the one in the Table - 2.5802, which shows that the model is adequate and can be used for further calculations. For the practical solution of the problem, it has been proposed to introduce an intelligent information system in the transitional warehouses for storing live fish before the end processing. The system proposed will be used to monitor and control the four main indexes and to improve the conditions for storing live fish when it is moved along the chain of fish farms to the warehouses for end processing.
Highlights
In Bulgaria in 2019, a Strategy for digitalization of agriculture in rural areas of the Republic of Bulgaria was introduced, with the aim to focus information technology in favor of agribusiness and development of rural regions [1]
The system proposed will be used to monitor and control the four main indexes and to improve the conditions for storing live fish when it is moved along the chain of fish farms to the warehouses for end processing
A study of the quantity of fish produced and imported into the Republic of Bulgaria for 2017 year has established that 15 751 tons have been obtained from aquacultures, 8 559 tons – from catch in salt water and sweet water basins, including the Black Sea, the Danube River and domestic fish farms
Summary
In Bulgaria in 2019, a Strategy for digitalization of agriculture in rural areas of the Republic of Bulgaria was introduced, with the aim to focus information technology in favor of agribusiness and development of rural regions [1]. In order not to be stressed, as well as to save its life, it is necessary to comply with the requirements in [5] They involve the quality of the water, where the fish is during transportation and later, in the water reservoirs of the processing plants. The values of the water quality parameters, according to [6], are to be: for oxygen from 70%-200%, measured every 2 to 4 hours, for carbon dioxide – 5-10 mg / L, the level of ammonia – 0,1 mg / L This necessitates the introduction of intelligent systems that monitor at all times the quality of the environment in which live and processed fish are located, in correspondence with the digitalization envisaged in [1]. The control in the field of food safety and quality, food additives and beverages, health and animal welfare, plant protection and fertilizers, phytosanitary control, fodder, and border control of food in Bulgaria is carried out by the Bulgarian Food Safety Agency (BFSA) [8]
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