PREVENTIVE MEASURES IN BREEDING FISHING FARMS: ECOLOGICAL AND VETERINARY ADDITIONS

2018 ◽  
Vol 1 (1) ◽  
pp. 84-89
Author(s):  
A. M. Naumova ◽  
◽  
L. A. Rozumnaya ◽  
A. Yu. Naumova ◽  
L. S. Loginov ◽  
...  
Keyword(s):  
Preventive Measures ◽  
Fish Farming ◽  
Fish Health ◽  
Fish Farms ◽  
Scientific Publications ◽  
Commercial Fish ◽  
Fish Products ◽  
Contagious Diseases ◽  
Veterinary Research ◽  
Significant Damage

The influence of ecological, epizootological and technological factors on fish health was studied. It is shown that disregard of environmental, technological and veterinary-sanitary requirements in the reproduction and cultivation of fish leads to the emergence of contagious and non-contagious diseases and causes significant damage to fish farming. The analysis of previously approved veterinary and sanitary rules, instructions, recommendations for breeding and commercial fish farms, as well as patent documentation and scientific publications in the field of ecological and veterinary research in fish farming is carried out. The possibility of using modern ecological and veterinary-sanitary achievements for the protection of fish health is shown. The complex system of preventive measures (organizational, environmental-technological and veterinary-sanitary), supplemented by modern ecological and veterinary achievements, in its implementation will allow to reduce losses of fish products and increase efficiency of production.

Polyculture in fish farming as a method of preventing fish diseases

2021 ◽  
pp. 30-40
Author(s):  
Grigory Emelyanovich Servetnik
Keyword(s):  
Fish Species ◽  
Fish Habitat ◽  
Fish Farming ◽  
Natural Food ◽  
Total Biomass ◽  
Fish Farms ◽  
Fish Diseases ◽  
Host Body ◽  
Contagious Diseases

Methods of prevention of fish diseases are aimed at destroying parasites in the host body and in the fish habitat — in the reservoir (chemoprophylaxis, increasing fish resistance), at preventing parasites from entering the reservoir (limiting the import of fish, import of healthy fish, quarantine measures, etc.), as well as preventing their spread and entry into the host body. It is shown that polyculture is not only the most effective method of using the natural forage base of the reservoir and, as a result, increasing fish productivity, but also a means of preventing mass infectious and other fish diseases. To prevent mass infectious diseases of fish and death from them both in safe and unfavorable ponds of carp fish farms, it is advisable to grow other fish species together with carp that do not suffer from diseases peculiar to carp. As a result, so-called sparse species plantings of fish are created in the ponds, while the total biomass remains high. At the same time, the natural food supply of ponds is most fully used and a kind of biological buffer is created that prevents the emergence and spread of contagious diseases. Polyculture can play a particularly important role in pond farms that already have certain problems with rubella, filometroidosis, botryocephalosis, carp pox, etc. Long-term studies of breeding herds in pond farms have shown that most of them have single foci of diseases, which, if there are optimal conditions for the pathogen, are ready to immediately respond with an outbreak of the disease or are generally quarantined for a particular fish disease. When determining the objects of polyculture, it is necessary to reduce the proportion of fish species that have a significant number of common diseases.

scholarly journals FISHING IN DRAINING PONDS OF MODERN FISH FARMS

2020 ◽  
Vol 2020 (4) ◽  
pp. 131-137
Author(s):  
Dmitriy Alekseevich Kostrykin ◽  
Yulia Nikolaevna Grozesku
Keyword(s):  
Mechanical Damage ◽  
Fish Farming ◽  
Fish Ponds ◽  
Fish Farms ◽  
Farmed Fish ◽  
Severe Injuries ◽  
Commercial Fish ◽  
Technological Stage ◽  
Time Frames ◽  
Excessive Accumulation

The article describeы the fishing process as a final technological stage that completes the cycle of fish breeding in the fish ponds. Fishing in the ponds, regardless of their category, is a difficult and energy-intensive process. The safety of farmed fish and the overall results of fish farming depend on the process of fishing. The well-known fishing methods are based on filtering fish when discharging water through fish catchers or other artificial structures. When water is drained from the pond, the fish moves to a fish catcher with the water flow, which contradicts its biological tendency to breast the current and prevents from its getting into the fish catcher or another artificial structure. In addition, the separation of fish from water by a grated water separator leads to the mechanical damage of the fish scales and reduces the number of alive fish. The technology of fish catching in draining ponds used at the small innovative enterprise SRK Sharapovsky (Kamyzyaksky district, Astrakhan region) has been analyzed. The absence of a fish catcher is a specific feature of the technology. Fishing in the ponds is carried out by using a dragnet during the pond drainage, starting the catch when the pond’s area is lowered to 1/3 or 1/4. The disadvantages of this technology include excessive accumulation of fish in a small volume of water, which can cause fish death or severe injuries to the underyearlings reared with commercial fish species. Choosing the optimal fishing gear or a device will allow to clearly plan and coordinate the work of the enterprise, because the fishing period is short and depends on the time frames and the market demands.

Fungal Diseases of Fish: A Review

2018 ◽  
Vol 3 (3) ◽  
pp. 1-5
Author(s):  
Ajay Patel
Keyword(s):  
Microbial Contamination ◽  
Fungal Infections ◽  
Fish Farming ◽  
Freshwater Fishes ◽  
Fish Farms ◽  
Commercial Fish ◽  
Chemical Contaminants ◽  
Ecological Stress ◽  
The World ◽  
Temperate Fish

Now a day, fishes are used for biomedical researches along with use as a food also. Chemical contaminants of marine environments are of momentous concern. Similar to other flora and fauna, fish can also be ill with various types of diseases. Freshwater fishes are an important protein source for people of many countries. Fish farming in various parts of the world has increased many folds in the last decade. Bacterial hemorrhagic septicemia, lernaeasis, saprolegniasis and anoxia are the most frequently occurring fish diseases in pond fishes. Fungal infections are among the most general diseases seen in temperate fish. Water moulds infections cause losses of freshwater fishes and their eggs in both natural and commercial fish farms. Although, infection as a result of microbial contamination does not frequently result in disease but ecological stress may upset the balance between the probable pathogens and their hosts. Prevention is, as always, the best medicine. Most infe ctions can be successfully treated if caught early.

scholarly journals THE EFFECT OF PROBIOTIC DIET ON HEMATOLOGY AND PISCICULTURAL PARAMETERS OF YEARLING HYBRIDS OF RUSSIAN AND SIBERIAN STURGEON

2015 ◽  
Vol 4 (4) ◽  
pp. 113-116
Author(s):  
Olga Nikolaevna Gutsulyuk
Keyword(s):  
Animal Feed ◽  
Stocking Density ◽  
Fish Farming ◽  
Positive Influence ◽  
Siberian Sturgeon ◽  
Control Group ◽  
Physiological Status ◽  
Fish Farms ◽  
Commercial Fish ◽  
Hematological Indices

In fish farming practices, stocking density is a key factor in determining the productivity and profitability of commercial fish farms. the use of probiotics as farm animal feed supplements increases the animals growth and improve its health by increasing its resistance to disease. this study was undertaken to examine the effect of dietary probiotics on yearling hybrids of russian and siberian sturgeon, based on hematological profile and piscicultural performance. the experience was carried out in 4 groups (control and treatment). in control group, probiotic was not applied in diet but in treatment groups, probiotics Bacell, Monosporin, and Prolam was administered in feed at a concentration of 2%. as a result, a positive influence on growth performance and survival rate were assessed together with improvement of physiological status (based on hematological indices). thus, probiotics addition to diet had the effect on erythrocyte count, hemoglobin, leucocyte count, percent of lymphocyte, serum total protein, percent of neutrophile and monocyte the results suggest that probiotics can stimulate immune parameters hybrids of russian and siberian sturgeon and can be successfully used in fishfarming.

scholarly journals Mortality of Clarias gariepinus caused by Aeromonas caviae and nitrite toxicity in a fish farm

2021 ◽  
Vol 19 (2) ◽  
pp. 138-144
Author(s):  
O.O. Oladele ◽  
N.O. Ameji ◽  
G.Y. Gurumyen ◽  
W.A. Adanu ◽  
T.T. Kolade ◽  
...  
Keyword(s):  
Water Samples ◽  
Pathogenic Bacteria ◽  
Clarias Gariepinus ◽  
Fish Farming ◽  
Fish Pond ◽  
African Catfish ◽  
Fish Farms ◽  
Commercial Fish ◽  
Aeromonas Caviae ◽  
Nitrite Toxicity

In Nigeria, farming of freshwater fish, mainly that of Clarias gariepinus has gained prominence as means of improved protein supply and livelihood. Many farmers suffer untold losses in their bid to make a living from commercial fish production. Among the major causes of infectious disease outbreaks in fish farms are pathogenic bacteria of the genus Aeromonas. This is a case report of outbreak of Aeromonas caviae infection complicated by nitrite toxicity in Clarias gariepinus. Carcasses of 17 African catfish juveniles and two water samples were presented to the poultry and fish clinic of the Veterinary Teaching Hospital, University of Jos for investigation. The fishes had been on medication (Fish cure antibiotic +®) for over 5 days with cumulative mortality of 230 out of 2,500 fishes (9.2 %). Necropsy was conducted and samples were taken for microbial analysis and histopathology while water samples were subjected to chemical analysis. Gross lesions were broken barbels, cutaneous depigmentation, branchial pallor, ascites, renal and splenic congestion. Histologically, there was dissociation of hepatic cords, necrosis of hepatocytes with vacuolation and mononuclear cellular infiltrations. Also, there was renal tubular epithelial necrosis with mononuclear and heterophilic infiltration while micro abscesses were observed in the brain. Marked Zenker’s necrosis and edema were seen in the skeletal muscles. Organism isolated from livers and kidneys was identified as Aeromonas caviae and was susceptible to enrofloxacin, furaltadone and florfenicol. Nitrite in fish pond water was 1mg/L. Bath medication with enrofloxacin at 33mg/litre of water for 6 hours treatment per day was done to reduce the mortality. The farmer was advised to change the source of water for the fish pond immediately. It is recommended that to avoid losses in fish farming, farmers should check the quality of water intended for use on fish farms and ensure early health check on fingerlings purchased for rearing.

scholarly journals Comprehensive assessment of aquaculture potential of the southern and south-eastern waterbodies in the Rostov region

2020 ◽  
Vol 210 ◽  
pp. 07003
Author(s):  
Efim Kozurin ◽  
Dmitry Rudoy ◽  
Yuliya Kosenko ◽  
Svetlana Zhukova ◽  
Timofej Barabashin ◽  
...  
Keyword(s):  
Water Supply ◽  
Fish Farming ◽  
Comprehensive Assessment ◽  
Fish Farms ◽  
Commercial Fish ◽  
South Eastern ◽  
Commercial Farming ◽  
Rostov Region ◽  
Almost All ◽  
Precipitation Ratio

The paper presents materials on a comprehensive assessment of reservoirs for commercial aquaculture, exemplified by some waterbodies in the Rostov region. We have examined 24 waterbodies located in the southern and south-eastern Rostov region. The assessment of reservoirs was carried out based on hydrological and hydrochemical indicators, the point score of which was carried out in four sets of issues. Almost all the studied water bodies because of the lack of required water supply have been classified as reservoirs with risky fish farming. Most aquaculture reservoirs recommended for commercial farming are found in the zone of a very arid climate, characterized by annual precipitation ratio of 0.33-0.44. A brief hydrochemical description of each investigated waterbody can be used to form scientifically-based recommendations for the organization of commercial fish farms in Russia.

scholarly journals The benefits of development cage fish farming

2020 ◽  
Vol 217 ◽  
pp. 09006
Author(s):  
Umida Sangirova ◽  
Zulfiya Khafizova ◽  
Iskandar Yunusov ◽  
Barna Rakhmankulova ◽  
Umirzok Kholiyorov
Keyword(s):  
Fish Farming ◽  
Mineral Fertilizers ◽  
Fishing Industry ◽  
Special Role ◽  
Fish Farms ◽  
Resource Saving ◽  
Commercial Fish ◽  
Beneficial Effects ◽  
The Cost ◽  
Farming Industry

The fishing industry has a special role in the development of the agricultural economy. Fish farming in cages is currently very important and is a promising and economically profitable form of growing marketable fish. The fishing industry has many advantages, such as beneficial effects on the health of the population, on the environment, and on the world’s economy. Activities carried out in the fish farming industry provide ample opportunities. These activities are the organization of fish farming clusters, the use of intensive methods and resource-saving technologies, the transportation of compound feed and mineral fertilizers to fish farms. Intensive fish farming can reduce the cost of fish and maintain the existence of many types of commercial fish.

scholarly journals Innovation in the creation of high quality carp crosses

2021 ◽  
pp. 41-44
Author(s):  
Elena Tarazevich ◽  
Keyword(s):  
Preventive Measures ◽  
Fish Farming ◽  
Omega 3 ◽  
High Quality ◽  
Fish Products ◽  
Morphological Studies ◽  
Experimental Fish ◽  
Omega 6 ◽  
The Republic ◽  
Breeding Techniques

The tendency of increasing the use of aquatic products in human nutrition, as the most valuable suppliers of polyunsaturated fatty acids omega-3 and omega-6, has been substantiated. The main directions in the development of high-intensity technologies for the production of fish products in the Republic of Belarus are given. A generalized analysis of the situation on conducting selection and breeding work with carp breeds of Belarusian, foreign selection and Amur carp of the Khanka population is carried out. The article presents innovative trends in fish farming in Belarus for obtaining highly productive commercial crosses with improved commercial characteristics and the results of morphological studies of three-year-old mirror crosses obtained on the basis of crossing of female imported breeds and male carp of Belarusian selection. The separate stages of carrying out fish-breeding techniques and preventive measures with the aim of growing high-quality fish products in OJSC "Experimental fish farm "Selets" are considered.

scholarly journals NUTRITIONAL VALUE OF STARTERFEED FOR VALUABLE TYPES OF FISH GROWN IN COMMERCIAL CONDITIONS

2019 ◽  
pp. 97-106
Author(s):  
Valentina Ivanovna Sidorova ◽  
Nadezhda Ivanovna Yеnvareva ◽  
Saule Zhangirovna Asylbekova ◽  
Nina Sergeevna Badryzlova ◽  
Saya Kashkinbayevna Koyshibaeva
Keyword(s):  
Fish Species ◽  
Nutritional Value ◽  
Import Substitution ◽  
Fish Farming ◽  
Quality Parameters ◽  
Fish Farms ◽  
Commercial Fish ◽  
Nutritional Needs ◽  
The Republic ◽  
Aquaculture Facilities

The article describes aquaculture as a main factor saturating the domestic market with high-grade fish products in the world. In last decades, food production in this sector has increased by 12 times with an average annual increase of 8.8%. The Republic of Kazakhstan has rather high potential for developing different lines of commercial fish farming. Modern industrial fish farming is based on keeping fish in fully controlled water environments. In modern conditions, when fish are kept in cages and pools, natural feed is no longer of fundamental importance. Artificial feed is widely used; it should be balanced for the main nutrients and meet the needs of aquaculture facilities. There have been given data on nutrient requirements for the fish species that are new for aquaculture of Kazakhstan: larvae and juveniles of zander, tilapia and clarid catfish. There have been given the standards of adding components to the feed recipes, suggested the premix recipe for producing these feed and shown the quality parameters of starter feed for larvae and juvenile of zander, tilapia and clarid catfish developed in the Republic of Kazakhstan. The nutritional value of starter feeds for these fish species has been defined. Halyk Balyk LLP conducted the production tests in order to determine the effectiveness of using the feed and their uptake by the fry. Feed for trout Aller Agua produced in Denmark served as a reference. Research and business experiment showed that food coefficient of the feed prepared for clarid catfish (0.92) is slightly inferior to the imported feed, with fry survival rate at 71%, average daily increase at 54.3 mg. The designed recipes of starter feedstuff may solve the problem of import substitution for feed products in the country. The data on nutritional needs of the fish mentioned may be used to calculate the feed recipes for fish farms.

Innovative technologies of pasture lake fish farming in the Trans-Urals

Fisheries ◽  
2021 ◽  
Vol 2021 (1) ◽  
pp. 61-69
Author(s):  
Igor Mukhachev
Keyword(s):  
Salt Water ◽  
Silver Carp ◽  
Open Water ◽  
Fish Farming ◽  
Forest Steppe ◽  
Industrial Complex ◽  
Fish Farms ◽  
Commercial Fish ◽  
One Year ◽  
Lake Fish

The article describes the development of pasture lake fish farming within the forest-steppe Trans-Urals on the basis of improving the technologies of the fish-breeding process of one - year and two-year cultivation of commercial fish. Thanks to the introduction of integrated reclamation of lakes of the overseas type of the Trans-Urals and innovative fish farming technologies that use the reclamation effect of aeration of reservoirs in winter, loosening of bottom silt deposits during open water, the natural production potential of the lakes allowed to increase the fish productivity from 30-50 kg / year to 130-200 kg/ha per year. Based on the long-term monitoring of the ecological and fisheries situation of the lakes, it is recommended to intensify the process of modernization of existing fish farms and start creating new ones, which will significantly increase the importance of the Trans-Urals fisheries as part of the agro-industrial complex of Russia. It is recommended to include herbivorous fish – white Amur and white silver carp, and consumers of detritus and bottom silt-pilengas, which can effectively grow in salt water reservoirs, which are many within the southern Trans-Urals.

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