scholarly journals Influence of a Feed Additive in the Carp Diet on its Exterior Parameters

2021 ◽  
Author(s):  
Roman Rudenko ◽  
Irina Tkacheva ◽  
Vyacheslav Karatunov ◽  
Arthur Tazayan
Keyword(s):  
Aquatic Organisms ◽  
Fish Farming ◽  
Essential Amino Acids ◽  
Biologically Active ◽  
Adaptive Plasticity ◽  
Feed Additive ◽  
Fish Nutrition ◽  
Natural Food ◽  
Active Components ◽  
Farmed Fish

During fish farming, significant attention should be paid not only to the quantity, but also to the quality of marketable carp, primarily its physiological condition and high adaptive plasticity. Recently, increasing importance is attached to fish farming by industrial methods using various types of feed. A characteristic feature is the almost complete absence of natural food organisms. Significant success has been achieved in the creation of various starter compound feeds that can replace live feed when the larvae switch to exogenous nutrition [1]. During the development of artificial rations, attention was paid to the balance of basic structural elements of nutrition and, to a lesser extent, to various biologically active substances. For the majority of farmed fish, the need for protein and essential amino acids, fat and certain fatty acids, carbon and minerals has been established, on the basis of which, starter and production feeds, as well as various vitamin and mineral premixes, were developed [2]. However, natural food contains a wider range of biologically active components that are the regulators of many metabolic processes of body. Therefore, live food in fish nutrition, even in small proportion, can supplement the energy components of artificial feed and thereby significantly increase the balance of the diet [3]. Keywords: aquaculture, probiotic, exterior, aquatic organisms, bacteria, fatness ratio, diet

scholarly journals Nutraceutical and Food Preserving Importance of Laetiporus sulphureus

2019 ◽  
Vol 7 (sp1) ◽  
pp. 94
Author(s):  
Sanem Bulam ◽  
Nebahat Şule Üstün ◽  
Aysun Pekşen
Keyword(s):  
Folk Medicine ◽  
Essential Amino Acids ◽  
Biologically Active ◽  
Natural Food ◽  
Fruiting Bodies ◽  
Active Components ◽  
Suitable Candidate ◽  
Laetiporus Sulphureus ◽  
Long Time ◽  
Medicinal Properties

Laetiporus sulphureus (Bull.: Fr.) Murr. is popularly known as “sulphur polypore” or “chicken of the woods” due to its characteristic sulphur yellow coloured polypore’s and chicken-like taste and texture. This edible wild mushroom has been traditionally consumed as a source of nutrition and folk medicine in Asia and Europe for a long time. The numerous studies have shown that L. sulphureus nutritionally provides various key components such as carbohydrate, essential amino acids and fatty acids, vitamins, minerals, and fibre. Besides, the extracts prepared from fruiting bodies or mycelia of this mushroom have exhibited a number of medicinal properties such as immunomodulation, antitumor, anti-inflammatory, antioxidant, antimicrobial, and antihyperglysemic activities because of their biologically active components such as phenolics, triterpenes, and polysaccharides. L. sulphureus is also a suitable candidate to be used as a natural food preserving source.

Productivity of laying hens when fed probiotic feed additive Amilocin

2021 ◽  
pp. 43-57
Author(s):  
P. P. Kornienko ◽  
E. G. Martynova
Keyword(s):  
Laying Hens ◽  
Physiological State ◽  
Live Weight ◽  
Positive Influence ◽  
Research Data ◽  
Egg Laying ◽  
Biologically Active ◽  
Feed Additive ◽  
Active Components ◽  
Normal Microflora

The possibilities of increasing the productivity of different poultry species by increasing the absorption of feed nutrients can be realized through the use of new biologically active components that are usually added to traditional feed based on live cultures of microorganisms of the normal microflora of the gastrointestinal tract. The effectiveness of different probiotic drugs varies depending on the types and strains of microorganisms that are included in their composition, the dose of the drug, the scheme of its use, age, type, physiological state and productivity of animals. The research has been carried out to study the influence of the use of the probiotic feed additive Amilocin in the diets of laying hens of the cross Hisex Brown on their productivity. The positive influence of the studied feed additive on the live weight and livability of laying hens, egg productivity, quality and quantity of eggs obtained, morphological and biochemical parameters of the blood of experimental poultry, slaughter parameters and chemical composition of the meat of experimental laying hens has been established. The optimal rate of introduction of probiotic feed additive Amilocin into the diet of laying hens has been determined (0,5 g/head/day at the beginning of egg laying during 10 days, 1,0 g/head/day at the peak of egg laying during 10 days, followed by 1 g/head/day monthly for 10 days until the end of egg laying). The economics effectiveness of using the probiotic feed additive Amilocin per 1,0 ruble of costs was 1,24– 1,35 ruble. According to the research data recommendations for the use of the probiotic feed additive Amilocin have been proposed.

Efficiency of using bioflavonoids in production feeds for promising aquaculture facilities

2020 ◽  
pp. 46-54
Author(s):  
S. V. Ponomarev ◽  
Y. V. Fedorovykh ◽  
A. B. Akhmedzhanova ◽  
O. A. Levina ◽  
V. A. Pospelov ◽  
...  
Keyword(s):  
Growth Rate ◽  
Physiological State ◽  
Fish Farming ◽  
Feed Additives ◽  
Biologically Active ◽  
Planting Density ◽  
Natural Food ◽  
Negative Consequences ◽  
Artificial Ecosystem ◽  
Aquaculture Facilities

Modern technologies of industrial fish farming allow getting high-quality products. However, stressful conditions of an artificial ecosystem (high planting density, violation of optimal hydrochemical conditions) can negatively affect food activity, growth rate, lead to the development of alimentary diseases and depletion of the antioxidant potential In conditions when fish is deprived of natural food, and the metabolism is completely under human control, the use of balanced feeds enriched with macro — and microelements, as well as biologically active substances, maximizes metabolic processes and helps to increase the growth rate and obtain physiologically complete juveniles. The use of antioxidant feed additives allows not only to carry out timely therapy, but also to provide a preventive effect to prevent the negative consequences of an artificial ecosystem. Currently, there are a number of antioxidant feed additives, among which are of particular interest to natural bioantioxidant of flavonoid nature, such as catechins, dihydrochalcones, flavonols, leukocyanins, dihydroquercetin. The article discusses the experience of using a new generation antioxidant — dihydroquercetin and an immunostimulator — arabinogalactan in feeding a tilapia hybrid (Oreochromis mossambicus × Oreochromis niloticus). It was found that the addition of dihydroquercetin (25,0– 50,0 mg/kg) and arabinogalactan (50,0 mg/kg) to the production feed allowed to increase productivity by 26,0%, as well as to show a positive effect on the physiological state of fish. The results obtained complement the existing ideas about the fields of application of antioxidants, and also prove the prospects of using plant-based products as antioxidant feed additives.

STUDY OF THE EFFECT OF FEED ADDITIVE OF SODIUM HUMATE FOR STERLET BY THE CAGE METHOD OF GROWING

2021 ◽  
Vol 12 (4) ◽  
Author(s):  
N. V. Polishchuk ◽  
B. Yu. Kovalenko ◽  
N. I. Vovk ◽  
I. S. Kononenko ◽  
V. O. Kovalenko
Keyword(s):  
Growth Rate ◽  
Age Groups ◽  
Fish Farming ◽  
Feed Additives ◽  
The Body ◽  
Biologically Active ◽  
Feed Additive ◽  
Fish Feed ◽  
Sodium Humate ◽  
The Impact

The article presents the results of an experiment to assess the effect of feed additive of humates on the growth rate and survival of different age groups of sterlet (Acipenser ruthenus L., 1758) and the conversion of fish feed for keeping in aquaculture. Based on the analysis of sources of scientific and technical information, it was found that humic drugs have long been used in crop production as growth stimulants and microfertilizers, and in animal husbandry - to normalize metabolism, treatment of digestive diseases and general stimulating effect on the body as a whole. Analysis of data on the use of humates in aquaculture indicated the presence of a positive effect of these compounds on individual cultivation objects. The small amount of information on the use of humates in fish farming has led to the conclusion that this direction of fish farming intensification is still insufficiently studied, and that studies of the impact of humic substances on aquaculture objects are not comprehensive and mainly concern the assessment of individual effects of biologically active action of the compounds on fish. The available information gave grounds to speculate about the prospects for the use of humates in sturgeon farming. To test this assumption, a series of experiments was conducted on the feeding of sterlet feed with the addition of sodium humate. The research was conducted in 2018, 2020 and 2021, in the production conditions of the cage fishery, located on the Kaniv Reservoir. The effect of different concentrations of sodium humate feed additives on one- and two year old sterlet was evaluated. It was found that the addition of sodium humate to fish feed in concentrations of 60, 100, 120 and 200 mg / kg of feed did not significantly affect the growth rate of sterlet. Thus, the advantage of experimental variants over the control for this indicator was insignificant, in the range of 1.0-1.6%. The effect of sodium humate on the survival of this year sterlet, for their cultivation in gardens. At the same time, the best, by 6.7-17.4%, feed conversion with the addition of humates by one- and two-year-old sterlet was noted. According to the results of the experiments, the best result was obtained in the variant using a feed additive of humates at a concentration of 200 mg / kg of feed. It is considered promising to continue the study of the impact of feed additives of humates on the growth and survival of valuable aquaculture objects under different housing conditions, in particular in closed recirculation aquasystems (RAS), as well as finding the optimal concentration of these additives in feed for different species and age groups of fish.

INVESTIGATION OF THE COMPOSITION OF THE ORGANIC AND MINERAL PARTS OF SOLID WASTE FROM THE PRODUCTION OF HUMIC PREPARATIONS

2021 ◽  
pp. 187-197
Author(s):  
Ivan I Lishtvan ◽  
Galina V. Naumova ◽  
Nadezhda A. Zhmakova ◽  
Natalyia L. Makarova ◽  
Tatiyana F. Ovchinnikova ◽  
...  
Keyword(s):  
Solid Waste ◽  
Humic Substances ◽  
Solid Phase ◽  
Fish Farming ◽  
Component Composition ◽  
Biologically Active ◽  
Base Hydrolysis ◽  
Natural Food ◽  
Waste Products ◽  
Wide Range

The composition of the organic and mineral parts of solid residues from the production of humic preparations Hydrohumate, Oxyhumate, peat oxidate and Consil was studied. Significant differences in the component composition of these wastes, depending on the technologies for obtaining drugs, have been established. Redox-hydrolytic processing of peat leads to almost complete (acid-base hydrolysis) or partial (oxidation) destruction of hemicelluloses and the relative accumulation of cellulose and "lignin" in solid waste. The organic parts of the residues contain up to 30 % humic substances, due to the fact that the technologies for the production of humic preparations do not provide for the stage of washing the residues after separation in a centrifuge and some of the humic preparations remain in the solid phase. It is shown that the mineral part of solid residues includes a wide range of biogenic macro-and microelements, since humates of monovalent metals pass into solution, and salts of humic substances with metals of higher valence are insoluble and remain in the solid residue from hydrolysis or oxidation of peat. The study of the chemical composition of solid residues from the production of humic preparations showed possible directions for their effective disposal. Waste products are humate-containing products with a wide range of biogenic macro-and microelements, so they can be effectively used as biologically active additives to soils, compost, fertilizers, as well as in pond fish farming to stimulate the development of components of the natural food base of fish and increase the fish productivity of reservoirs.

scholarly journals Some pecularities of feeding of paddlefish (Polyodon spathula (Walbaum, 1792)) in the process of its growing to the marketable weight in ponds of Ukranian Polissia

2021 ◽  
pp. 56-65
Author(s):  
B. Hankevych ◽  
◽  
O. Tretiak ◽  
T. Hryhorenko ◽  
O. Kolos ◽  
...  
Keyword(s):  
Digestive Tract ◽  
Food Supply ◽  
Feeding Habits ◽  
Stocking Density ◽  
Aquatic Organisms ◽  
Fish Farming ◽  
Natural Food ◽  
Average Weight ◽  
Fish Production ◽  
Study Results

Purpose. To investigate peculiarities of feeding of paddlefish during the second year of life in polyculture with carp fish in ponds of Ukrainian Polissia. Methodology. A North American zooplanktophage belonging to sturgeons, the paddlefish was reared in polyculture with carp, hybrids of silver and bighead carps, as well as grass carp in pond with areas of 1 hectare on natural food supply. Development of the natural food supply was stimulated by applying cattle manure into ponds at an amount of 1 ton/ha. The stocking density of age‒1 paddlefish with an average weight of 143 g was 150 ind./ha, The total stocking density of all polyculture objects was 520 ind./ha. The determination of the nutritional and growth characteristics of fish, the qualitative composition of forage aquatic organisms and their biomass was carried out using well‒known methods. The main physicochemical parameters of water quality were investigated during fish rearing using generally accepted recommendations in fish farming and hydrochemistry. Findings. The environmental conditions of the pond mainly met the biological requirements for the studied aquaculture objects. A periodic decrease in dissolved oxygen concentration to 1.5‒2.0 mgO2/dm3 was observed, which could slow down fish growth. During sampling to determine the feeding habits of paddlefish, the zooplankton biomass in the pond varied within 1.11‒6.44 g/m3, with the predominance of Cladocera and Copepoda. At the end of the study period, age‒1+ paddlefish reached an average weight of 979.0 g with a fish production of 120.4 kg/ha and a survival rate of 82.0%. The total fish production for all polyculture objects was 502.3 kg/ha. The average digestive tract fullness index of paddlefish varied within 199.72‒459.0030/000. The diet of paddlefish was dominated by lower crustaceans with a predominance of Cladocera (65.28‒86.23%). The role of Copepoda in paddlefish nutrition increased at the end of the culture season (up to 32.76%). Rotifera and other forage aquatic organisms did not have a significant value in the paddlefish diet (up to 3.85%). A significant amount of detritus swallowed by fish was observed (13.43‒31.31% of the digestive tract content). A selectivity in the consumption of paddlefish of various groups of zooplankton organisms was noted with the selectivity index for Cladocera at the level of 1.23‒1.48. Originality. New data were obtained on the feeding habits of paddlefish in Ukrainian Polissia. Practical value. The study results are an integral part of the database for the development of improved technologies for pond fish farming in Ukraine. Key words: paddlefish, pond aquaculture, fish polyculture, natural food supply, fish feeding.

scholarly journals Correction the blood biochemical parameters in transition dairy cows by hop cones and vitamin E supplement

2019 ◽  
Vol 21 (95) ◽  
pp. 117-121
Author(s):  
I. Vudmaska ◽  
S. Sachko ◽  
A. Petruk ◽  
N. Pakholkiv ◽  
V. Hudyma ◽  
...  
Keyword(s):  
Vitamin E ◽  
Blood Plasma ◽  
Dairy Cows ◽  
Transition Period ◽  
Barley Grain ◽  
Biologically Active ◽  
Feed Additive ◽  
Active Components ◽  
Plasma Parameters ◽  
Tocopherol Acetate

In the prevention and treatment of cow ketosis, the regulation of glucose and fatty acids is the main focus, while ammonia intoxication is largely ignored. The intensity of formation of the rumen ammonia can be reduced by ionophore antibiotic monensin. Hop cones contain a number of biologically active components including phytoionoрhores: prenylated polyphenols lupulon, humulon and their derivatives. Therefore, hop cones can be considered as a potential substitute for antibiotics-ionophores. Vitamin E, fed to ruminants in large quantities, stimulates the cellulosolytic bacteria of the rumen. Accordingly, co-feeding cows with hops and vitamin E supplements can reduce ammonia formation without inhibition the carbohydrate fermentation in the rumen. The experiment used two groups of dry Ukrainian dairy black-and-white breed cows with productivity 6–7 thousand kg of milk for previous lactation, 10 animals per each group. The trial was performed during the last 3 weeks of dry period and the first 3 weeks after calving. Animals were fed a standard balanced diet containing: grass silage, corn silage, barley grain, corn grain, soybean meal, molasses, salt, mineral and vitamin premix. The first group was the control. The diet of second group was supplemented with 300 mg of α-tocopherol acetate (0.6 g of Rovimix E-50) and 1g of dry hop cones per kg of DM. Prior to calving, the tested feed additive reduced the concentration of lipid peroxidation products (P < 0.05) in the blood plasma without affection other parameters. More significant changes were detected after calving. An increase in glucose concentration (P < 0.05), triacylglycerol (P < 0.05), cholesterol esters (P < 0.05) and a decrease in the concentration of NEFA (P < 0.05) were found in the blood of cows of the experimental group in a week after parturition. One month after calving, differences between control and experimental blood plasma parameters were significantly less pronounced. Therefore, addition of 300 mg of α-tocopherol acetate and 1 g/kg of dry hop cones per kg of dry matter of the diet during the transition period stimulates liver glucose synthesis and reduces the rate of fatty acid release from adipose tissue. The specified feed additive can be used to prevent metabolic disorders in early-lactation dairy cows.

PRODUCTION OF BLENDED JUICE FROM PUMPKIN, QUINCE, PERSIMMON

2018 ◽  
pp. 59-62
Author(s):  
I. A. Kyazimova ◽  
А. А. Kasumova ◽  
А. А. Nabiev
Keyword(s):  
Phenolic Compounds ◽  
Organic Acids ◽  
New Technology ◽  
Mineral Elements ◽  
Biologically Active ◽  
Active Components ◽  
Aliphatic Acids ◽  
Free Glucose ◽  
Dietary Value ◽  
Quantitative Indicators

Production of plant products, including juices around the world increases continuously. In the fruit and vegetable juices contain a significant amount of monosaccharides (glucose and fructose), organic acids, vitamins, phenolic compounds, mineral substances and other biologically active components that determine the nutritional and dietary value. For the prevention of various diseases associated with impaired metabolic processes, we developed a new technology of preparation of food by blending juice of pumpkin, quince and persimmon. Thus prepared organic blended juice contains a substantial amount of free glucose and fructose, different phenolic compounds, a sufficient amount of organic acids, mineral elements, including iodine and other components that determine its nutritional and biological value. In prepared juices were evaluated the quantitative indicators of β-carotene, vitamin C, glucose and fructose, sucrose, starch, pectin substances. Also in the atomic absorbtion spectrometer Analyst 400 (PerkinElmer, USA) was analyzed content of the organic acids and phenolic compounds. Prepared juices were tested in accordance with 10 point scoring scale. It is established that all juices contain a sufficient amount of the minerals. In pumpkin and quince juices not contain iodine while it presents in sufficient amount in persimmon juice that’s why in the blended juice mineral in addition to mineral elements iodine are contained. In pumpkin and persimmon aliphatic acids are contained in small amount. For this reason during the blending process was used quince juice which is rich in aliphatic acids. The blended juice is light straw color, with delicious flavor, a slight astringent property and a balanced taste.

scholarly journals Hepatoprotective Effect of Mixture of Dipropyl Polysulfides in Concanavalin A-Induced Hepatitis

Nutrients ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 1022
Author(s):  
Dragana Arsenijevic ◽  
Bojana Stojanovic ◽  
Jelena Milovanovic ◽  
Aleksandar Arsenijevic ◽  
Milos Simic ◽  
...  
Keyword(s):  
Concanavalin A ◽  
Messenger Rna ◽  
T Regulatory Cells ◽  
Mononuclear Cells ◽  
Biological Activities ◽  
Biologically Active ◽  
Organosulfur Compounds ◽  
Liver Inflammation ◽  
Regulatory Cells ◽  
Active Components

The main biologically active components of plants belonging to the genus Allium, responsible for their biological activities, including anti-inflammatory, antioxidant and immunomodulatory, are organosulfur compounds. The aim of this study was to synthetize the mixture of dipropyl polysulfides (DPPS) and to test their biological activity in acute hepatitis. C57BL/6 mice were administered orally with DPPS 6 h before intravenous injection of Concanavalin A (ConA). Liver inflammation, necrosis and hepatocytes apoptosis were determined by histological analyses. Cytokines in liver tissue were determined by ELISA, expression of adhesive molecules and enzymes by RT PCR, while liver mononuclear cells were analyzed by flow cytometry. DPPS pretreatment significantly attenuated liver inflammation and injury, as evidenced by biochemical and histopathological observations. In DPPS-pretreated mice, messenger RNA levels of adhesion molecules and NADPH oxidase complex were significantly reduced, while the expression of SOD enzymes was enhanced. DPPS pretreatment decreased protein level of inflammatory cytokines and increased percentage of T regulatory cells in the livers of ConA mice. DPPS showed hepatoprotective effects in ConA-induced hepatitis, characterized by attenuation of inflammation and affection of Th17/Treg balance in favor of T regulatory cells and implicating potential therapeutic usage of DPPS mixture in inflammatory liver diseases.

scholarly journals Plasma Treatment of Fish Cells: The Importance of Defining Cell Culture Conditions in Comparative Studies

2021 ◽  
Vol 11 (6) ◽  
pp. 2534
Author(s):  
Henrike Rebl ◽  
Claudia Bergemann ◽  
Sebastian Rakers ◽  
Barbara Nebe ◽  
Alexander Rebl
Keyword(s):  
Plasma Treatment ◽  
Cell Lines ◽  
Mammalian Cells ◽  
Atmospheric Pressure Plasma ◽  
Fish Farming ◽  
Skin Lesions ◽  
Atmospheric Plasma ◽  
Fish Cell ◽  
Farmed Fish ◽  
Fish Cells

The present study provides the fundamental results for the treatment of marine organisms with cold atmospheric pressure plasma. In farmed fish, skin lesions may occur as a result of intensive fish farming. Cold atmospheric plasma offers promising medical potential in wound healing processes. Since the underlying plasma-mediated mechanisms at the physical and cellular level are yet to be fully understood, we investigated the sensitivity of three fish cell lines to plasma treatment in comparison with mammalian cells. We varied (I) cell density, (II) culture medium, and (III) pyruvate concentration in the medium as experimental parameters. Depending on the experimental setup, the plasma treatment affected the viability of the different cell lines to varying degrees. We conclude that it is mandatory to use similar cell densities and an identical medium, or at least a medium with identical antioxidant capacity, when studying plasma effects on different cell lines. Altogether, fish cells showed a higher sensitivity towards plasma treatment than mammalian cells in most of our setups. These results should increase the understanding of the future treatment of fish.

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