Биологические науки список научных статей
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Comparative study of Artemia fatty acid composition collected from different Algerian saline sites
Artemia is a small branchiopod crustacean Anostraca of aquaculture. Its interest remains among the most essential foods used in larviculture of fish and crustaceans. The determination of the fatty acid composition of brine shrimp cysts of certain Algerian populations from different origins allows...
2022 / B. Amina, G. Sidi Mohammed, B. Djilali -
Dominant male and female mate choice behaviour in albino mice Mus musculus Linnaeus, 1758
Two main mechanisms of sexual selection are recognized, intrasexual selection typically involves male–male competition and Intersexual selection involves some aspect of mate choice, usually by females. Here it was investigated the effect of male dominance trait on female mate choice in the mating...
2022 / Y.A. Saleh, M.M. Agbali, M. Salem, K.A. Saad -
Effect of Ulva rigida as crude and formulated extract on vineyard growth at an early stage
Following the ecological waves that requires chemical restrictions to assure sustainable agriculture, trash from marine life is used as fertilizer: Ulva rigida one of the species no documented as a bio stimulant on young stage of vine, so for that we have used it to prepare a crude extract, where...
2022 / A. Mohammedi, B. Zebib, S. Atika, O. Merah, Z.E. Djazouli -
Pathoanatomical and pathogistological changes in organs and tissues of indian peafowl (Pavo cristatus) during histomonosis
Histomonosis is a fairly common disease in poultry – turkeys, laying hens, guineafowls, geese, ducks. Spontaneous cases of histomonosis in Indian peafowls do not occur very often, thus they feature less frequently in the scientific literature. Among possible reasons for this to happen is that they...
2020 / O.Shchebentovska, M. Holubtsova -
Expression of plasmolemma proteins of the absorptive enterocytes of the cattle in the late fetal period
The article presents new scientific data on the expression of plasmalemma proteins of the absorptive enterocytes of the bovine intestines of five to nine months of age. In the late fetal period, 31 and 27 protein fractions of apical and basolateral membranes, respectively, were found in the...
2020 / D.M. Masiuk -
Some larval morphological characteristics of Camelostrongylus mentulatus and Nematodirus spathiger
Monitoring of gastrointestinal nematode parasites in ruminants (domestic and wild) is often based on fecal examination techniques, looking for excreted eggs and larval forms using morphological keys. These, are more available in domestic ruminants, in which helminths are widely studied, than in...
2020 / A. Saidi, R. Mimouni, F. Hamadi, W. Oubrou -
Molecular characterization of STEC isolated from Ducks and its relation to ESBL production
The ESBL producing genes are responsible for bacterial resistance to number of antibiotics whereas Shiga toxin producing genes are responsible for bacterial virulence. The association between ESBL producing genes and Shiga toxin producing E. coli (STEC) may pose bigger threat in the battle of...
2020 / Aparna Banerjee, Surajit Acharyya -
Histological study of eyelid in Algerian locale bovine
Ten pairs of eyelids of adult, healthy cattle of the local breed from the region of Guelma, Algeria, were collected at the slaughterhouse in order to carry out research to determine the structure, the components and to make a comparison with the results of this subject in other ruminants, classical ...
2020 / M.A. Fares, D.E. Rahmoun, M.A. Lieshchova -
The ability of enterococci extracted from traditional Carpathian cheese bryndza to produce biologically active substances
The article presents the results of determining the ability of enterococci extracted from traditional Carpathian cheese bryndza to produce biologically active substances, in particular, amino acids, B vitamins and cations (ammonium, potassium, sodium, magnesium, calcium). It was found that the...
2020 / I.I. Kushnir, O.Y. Tsisaryk, S.H. Shalovylo, B.V. Gutyj, G.V. Kushnir, I.M. Slyvka, L.Y. Musiy -
Non-surgical methods of regulation reproductive function and contraception males of domestic animals
The regulation of male reproductive function today is not limited to surgical castration; there are many other methods of controlling reproductive function. Non-surgical methods of controlling male reproductive function can be reversible and not reversible, i.e., reproductive function is preserved...
2020 / A. Vasetska -
Light-scattering properties of microorganisms Desulfuromonas acetoxidans by influence of silver
The article deals with the concentration changes and relative content of bacterial cells of Desulfuromonas acetoxidans in the intervals of sizes 0.2–2.0 μm under the influence of nano silver particles. Correlation between these changes of light-scattering properties of bacterial cells and growth...
2021 / O. Bilyy, I. Kotsyumbas, I. Kushnir, T. Grechukh, S. Hnatush, O. Maslovska, B. Gutyj, V. Kushnir -
Isolation, identification and Analysis of Drug Resistance of Salmonella Pullorum
The article provides data on the isolation and identification of the pathogen S. Pullorum from pathological material of chickens. With further study of tinctorial, cultural-morphological and biological properties of the pathogen. The susceptibility of Salmonella pullorum to broad-spectrum...
2021 / Liu Zhike, Tetiana Fotina, Roman Petrov, Zhanna Klishchova, Anatoliy Fotin -
The enzyme activity dynamic relationship with the content of structural polypeptides of enterocyte membranes in cattle fetal
The article performs new data on the relationship between the hydrolytic and transport enzyme activity at different poles of the enterocytes plasmolemma of cow's fetal large intestine with the content of individual fractions of polypeptides. An expressive direct dependence of enzyme activity...
2021 / D.M. Masiuk -
Design of antigen synthesis and identification of its artificial antigen for zearalenone
Background: study aimed to modify the ZEN molecule and conjugate the carrier protein to prepare a complete antigen. To lay the foundation for the preparation of ZEN monoclonal antibodies. Methods: The carbonyl group at the 7 position of ZEN molecule was modified by deuteration reaction. The...
2021 / Yanan Wang, Hanna Fotina, Alexsey Fotin -
Сell death and its significance in reproductive pathology
Since the middle of the last century, scientists have been interested in the mechanisms of regulation of cell division, differentiation and aging of cells. The first objects of study were insects, helminths and other living organisms. From the very beginning, in the biology of cell development and...
2021 / M.M. Zhelavskyi, S.P. Kernychnyi, O.Ya. Dmytriv -
Intestinal histostructure and immune protection activity of age -1+ carp after consumption of a prebiotic feed additive
Currently, it is important in aquaculture to study and use products and additives, which have positive effects on the digestibility of nutrients by helping to normalize the intestinal microflora, thereby modulating fish immune response. The aim of the study was to assess the effect of a prebiotic...
2021 / O.P. Dobrianska, M.I. Zhyla, O.I. Vishchur, O.V. Deren, M.Z. Koryliak -
The comparative evaluation of complex drugs based on fipronil for ectoparasitosis of dogs and cats
The article presents data on the effectiveness of new domestic antiparasitic drug “Insectostop for dogs and cats” in comparison to the reference drugs “Burdi Fipro for dogs” and “Burdi Fipro for cats” that is used for therapeutic and prophylactic purposes against ectoparasitosis of dogs and cats of ...
2021 / O. L. Tishyn I. D. Yuskiv L. L. Yuskiv Zn. M. Perih O. M. Bogach -
Effects of implant Suprelorin on cytological changes of vaginal epithelial cells in female dogs (4.7 mg deslorelin)
Diagnosis of the estrous cycle in female dogs is important in veterinary medicine. The estrous cycle is divided into the following stages: proestrus, estrus, diestrus, metestrus, and anestrus, which due to the action of hormones, replace one after another. This feature of the estrous cycle leads to ...
2021 / T.V. Holumbiyovska, V.Y. Stefanyk, T.P. Basarab -
Antimicrobial peptide MPX alleviates the lethal attack of Escherichia coli in mice
Escherichia coli is an important zoonotic pathogen causing intestinal diseases. In recent years, due to the unreasonable use of antibiotics, the drug resistance of bacteria has been increasing, and the proportion of multi-drug resistant strains has also been rising, which directly threatens the...
2021 / Xueqin Zhao -
Assessment of ecological conditions for growing the market-size fish in the Kantivka fattening pond (Khmelnychchyna, Ukraine)
Abiotic (water quality) and biotic (Phyto-, zooplankton and benthos) factors in the Kantivka fattening pond the Khmelnitskrybhosp Private Joint-Stock Company were studied during the vegetation seasons in 2020. The aquaculture objects in the pond are cyprinid fish species (carp, grass carp, silver...
2021 / T.V. Hryhorenko, L.V. Samchyshyna, N.P. Chuzhma, A.M. Bazaieva, N.M. Savenko, V.P. Oborsky, N.G. Mykhailenko