Infestation of five cyprinids from the upper part of the kakhovske reservoir by monogeneans
A survey of representatives of five species of cyprinid fish to infection by monogenean parasites belonging to the genera Dactylogyrus and Paradiplozoon. Analysis the high degree of penetration by diplodocidae, which are bioindicators of pollution.
Подобные документы
The characteristics of main parasites of crops, their characteristics. Efforts to control these plant parasites involve integrated pest management strategies, including sustainable, biological control, and judicious use of chemical interventions.
статья, добавлен 11.09.2024The results of phytoexamination of the seeds of milk thistle (Silybum marianum), which were grown in the Poltava region, are presented. Indicators of seed quality, degree of infection and species composition of pathogenic microorganisms were studied.
статья, добавлен 19.03.2024C-phycocyanin as a protein complex that belongs to phycobiliproteins and can be used as one of the potential natural components to improve the feeding of commercial fish. Assessment of its impact on the organism of protozoa and fish, prospects for use.
статья, добавлен 03.09.2024Description of the cellular composition of carp thymus. Evaluation of the intensity of inflammatory processes in fish when using the probiotic preparation Cellobacterin-T. Analysis of changes in the parameters of lymphocytes, myelocytes and neutrophils.
статья, добавлен 03.07.2023The nature of inheritance of the trait "winter-hardiness" in hybrids between representatives of wheat species. Crossing by the "single cross" method. The nature of the inheritance of the developmental type was determined using hybridological analysis.
статья, добавлен 20.07.2024Analysis of the adventive fraction of flora of plant communities of forest-Steppe of the Central. The trends of development of commensal flora. Species composition knowledge of the alien flora fraction and biological characteristics of these species.
статья, добавлен 13.08.2016Historical range of a plant remote from its historical territory. Historical and geographical range of plants included in the genus Berberis L. Migration of the main genera and species of the family Berberidaceae from the Nakhchivan Autonomous Republic.
статья, добавлен 10.10.2024Analysis of the activity of cytoplasmic superoxide dismutase and glutathione peroxidase in rainbow trout cultivated in clay ponds with seawater. Evaluation of changes in internal organs of fish caused by the stress factor due to the presence of ammonia.
статья, добавлен 18.03.2021The main state of the dark coniferous forests of the Earth as a bioindicator of changes in the process of gradual degradation of tree species of the genera Pine, Spruce and Fir. Negative impact of anthropogenic activity, abiotic and biotic factors.
статья, добавлен 20.07.2024To elucidate the feasibility of using modern systematics of Gobioninae names Rheogobio as a synonym of Romanogobio, or as a separate taxon. Clarification of the systematic status of the subgenera Rheogobio for approval of environmental documentation.
статья, добавлен 21.06.2016Poaching as the main reasons for the decrease in the number of sturgeon to the critical level. Basic conditions for the development of commodity sturgeon breeding: the restoration of commercial fish stocks, the formation of their repair broodstocks.
статья, добавлен 24.07.2018The analyze of the correlation between RNase activity and resistance of two cultivars buckwheat: Kara-Dag and Roksolana. The virus replication and infection of upper leaves of plants. Unstable levels of RNase activity in infected buckwheat plants.
статья, добавлен 29.01.2017The influence of the nutrient medium on pollen germination of a number of homostylous and heterostylous flax species. The effect of successful in vitro pollen germination in species of the genus Linum on the evaluation of the quality of flax pollen.
статья, добавлен 04.09.2024Creation of varieties with high resistance to biotic and abiotic environmental factors. Morphological characteristics of different rice varieties and the degree of their relationship, which determines the resistance of the rice plant to lodging.
статья, добавлен 22.03.2021Taxonomic position of microorganisms in the rhizosphere of spring barley. The result of a phylogenetic study of Phyllobacterium ifriqiyense 1 and Bacillus methylotrophicus 10 strains for the similarity of the nucleotide sequences of the 16S rRNA gene.
статья, добавлен 31.08.2022Analysis of the frequency of detection of benign neoplasms in slaughter cattle. The manifestation of neoplasms in this species of animals. Comparative analysis of veterinary and sanitary assessment of the quality of cattle meat with and without tumors.
статья, добавлен 18.03.2021Clarification of biochemical characteristics of woody plant species that grow naturally on devastated lands. Analysis of the content of macronutrients (macronutrients) and heavy metals in tree leaves. Analysis of the content of nutrients and toxic metals.
статья, добавлен 30.08.2022Basic information about the morphological and biological characteristics of slugs. Description of the species composition of the most common and harmful species of slugs on the territory of Ukraine, development of methods to combat their numbers.
статья, добавлен 21.03.2024The problem of protecting wild animal species and their habitats in residential buildings. Development of standards and practical guidelines for planning and implementation of construction works, the main decisions on compensation for each species.
статья, добавлен 28.01.2016Общая характеристика и условия применения двух гранулированных форм фосфорных биоудобрений на основе фосфоритной руды и двух высокоактивных фосфатрастворяющих штаммов: Acinetobacter species 305 и Pseudomonas species 181а. Оценка их эффективности.
статья, добавлен 22.05.2017Study of economic effect of reproductive and respiratory syndrome virus and porcine circovirus type 2. Analysis of immunoprophylaxis of porcine circovirus type 2. Analysis of impact of reproductive and respiratory syndrome virus on farm productivity.
статья, добавлен 26.01.2017The aim of this work was to develop a system of identification of Salmonella and typing among them five serovars based on the polymerase chain reaction. Typing serovar of Salmonella gives an opportunity to get an answer about the source of infection.
статья, добавлен 21.06.2016Improvement of the gene pool of grain crops, screening of related species. Analysis of phylogenetic relationships between wheat genomes Aegilops L. and Triticum L. Determination of positions of cutting enzymes for their internal spacer sequences.
статья, добавлен 08.03.2021Geographical analysis showed that the bryoflora the Korchai State Nature Reserve was not genetically homogeneous, but consisted of various geographical elements belonging to different botanical and geographical regions. The bryoflora is generally boreal.
статья, добавлен 10.10.2024Structure of land resources in the Uzbekistan. The analysis of technology of cultivation of plant-biomeliorants for the reclamation salinized irrigated lands of semi-arid areas, which provides reclamation effect and increase the fertility of the soil.
статья, добавлен 27.02.2021