Refine search
Results 51-60 of 60
ՄԱՏՈՒՏԱԿԻ ԱՐՄԱՏԻ ԷՔՍՏՐԱԿՏԻ ՀԱՎԵԼՈՒՄՈՎ ԲՈՒԼԿՈՒ ՆՈՐ ԱՐՏԱԴՐԱՏԵՍԱԿԻ ԱՆՎՏԱՆԳՈՒԹՅԱՆ ՑՈՒՑԱՆԻՇՆԵՐԻ ԵՎ ԱՐԴՅՈՒՆԱՎԵՏՈՒԹՅԱՆ ԳՆԱՀԱՏՈՒՄԸ Full text
2023
This study aims to develop technology and a recipe for a novel type of functional bakery product using an alternative sweetener. As licorice roots contain glycyrrhizin, they can be replaced with sugar. Compared to sucrose, glycyrrhizin has a sweet taste 50-100 times stronger. In addition to developing technology for a new product, it is also necessary to consider the economic efficiency and safety of the end product as well. According to the AST 36-94 and AST 37-94 normative documents in force on RA territory, porosity and moisture were determined as physicochemical indicators. A KERN analyzer was used to determine the moisture content of the finished product. The examination of cadmium, arsenic, mercury, and lead from safety indicators was performed according to the normative documents GOST EN 14083-2013, GOST R 51766-2001, and GOST R 53183-2008. As long as there are no risks associated with harmful effects on human life or health, food products are safe. A finished product should also be cost-effective, profitable, and economical. The safety indicators of the finished product were evaluated for their economic efficiency and compliance with the requirements of the existing normative documents. It has been proven that licorice root extract is safe to use in baking since not all sugar substitutes are safe. Despite being novel in the domestic food market, particularly the functional food market, the proposed product can stimulate the growth of bakery industry.
Show more [+] Less [-]ՀԱՅԱՍՏԱՆՈՒՄ ՏԱՐԱԾՎԱԾ ՃԱԿՆԴԵՂԻ ԳԵՆԵՏԻԿԱԿԱՆ ԲԱԶՄԱԶԱՆՈՒԹՅԱՆ ՈՒՍՈՒՄՆԱՍԻՐՈՒԹՅՈՒՆԸ ISSR ՄԱՐԿԵՐՆԵՐԻ ԿԻՐԱՌՄԱՄԲ Full text
2023
Genetic markers for the study of genetic diversity are divided into 4 groups: morphological or phenotypic, biochemical or protein, cytogenetic, and molecular or DNA. Currently, ISSR-DNA markers or Inter Simple Sequence Repeats is widely used for the genetic characterization of various crop varieties and wild species. In the present day, ISSR-DNA markers (Inter Simple Sequence Repeats) are widely used to characterize various crop varieties and wild species from their genetic makeup. It is used both for inter-species and intra-species genetic variability of populations and for genetic diversity, and species identification, as well as for genome mapping and marking of useful economic traits. The purpose of this research was to certify the wild species and population varieties of beet common in Armenia using DNA markers, to offer them as a selection starting material. The studied wild species and population varieties of beet are distinguished by a high degree of polymorphism: 33.3-88.9 %. According to the indicators of genetic diversity, most of the studied species and varieties are characterized as the main or typical gene pools with a minimum number and frequency of rare alleles. An exception is the Aparan population of table beet, which is distinguished by a high degree of originality. According to the indicators studied with ISSR DNA markers, it is possible to select the right parental forms for beet breeding activities.
Show more [+] Less [-]ԿԱՂԱՄԲԻ ՑԵՑԻ ԹՐԹՈՒՐՆԵՐԻ ԴԵՄ ՊԱՅՔԱՐԻ ՄԻՋՈՑԱՌՈՒՄՆԵՐԻ ՄՇԱԿՈՒՄ ԱՐՄԱՎԻՐԻ ՄԱՐԶԻ ՊԱՅՄԱՆՆԵՐՈՒՄ Full text
2023
Scientific research was conducted from 2020 to 2022 under laboratory conditions and on cabbage plantations (plot and industrial). It has been confirmed that cabbage plantations in the Lukashin community of the Armavir region had a high population of cabbage moth caterpillars. Local bacterial cultural liquids of Bacillus thuringiensis species tested separately and in combination with sublethal doses of insecticides showed high biological effectiveness against phytophagous caterpillars of ages I-III, which does not differ significantly from the reference indicator: commercial bacterial preparation Lepidocide. According to the results of laboratory examination of the bodies of the deceased larvae, it was found out that the decomposing body tissues of the pest larvae were filled with insecticidal sporocrystalline components, which confirmed that the death of the phytophagous larvae is the result of the effect of the tested insecticides. When struggling against cabbage moth caterpillars, it is proposed to use bacterial culture fluids alone with a lethal dose of 300 million spores/ml and in combinations with their sub-lethal quantity (titer of 150 million spores/ml) with the chemical insecticide calypso (0.033 % suspension).
Show more [+] Less [-]ԲՐՈՒՑԵԼՈԶԻ ՏԱՐԱԾՎԱԾՈՒԹՅՈՒՆԸ ԵՐԵՎԱՆ ՔԱՂԱՔԻ ԹԱՓԱՌՈՂ ՇՆԵՐԻ ՊՈՊՈՒԼՅԱՑԻԱՅՈՒՄ Full text
2023
Brucellosis is endemic in Armenia. Test slaughtering is used to fight Brucellosis in large and small ruminants. Cross-contamination among the various types of animals with various types of causative agents may contribute to the permanent existence of the epizootic chain. A study is being conducted to determine whether brucellosis is present among stray dogs in Yerevan (Capital of RA). The Rose Bengal test (RBT), serum agglutination test (SAT), and indirect and competitive ELISA tests were performed on 384 blood samples from stray dogs in Yerevan. The competitive ELISA detects only specific antibodies against B. abortus, B. melitensis, and B. suis and differentiates the Brucella 19 strain. According to the diagnostic algorithm for final diagnosis, positive samples by RBT must be confirmed by two other tests. Out of 384 samples tested by RBT, 17 (4.4 %) were positive. Out of 384 samples, 11 (2.9 %) were positive by SAT, 9 samples (2.3 %) tested positive by indirect ELISA, and 16 samples (4.2 %) tested positive by competitive ELISA. We have shown the presence of Brucella spp. among stray dogs in Yerevan. It is necessary to implement additional studies among dog (particularly shepherd dogs) populations in marzes with a higher prevalence of Brucellosis. These additional results will provide an opportunity to evaluate the role of dogs in ensuring a stable epizootic chain of Brucellosis among agricultural animals. They will contribute to a strategy design for preventing the spread of disease.
Show more [+] Less [-]ԱՆԱՍՆԱԲՈՒԺԱԿԱՆ ԼԱԲՈՐԱՏՈՐԻԱՆԵՐԻ ՄԱՍՆԱԳԵՏՆԵՐԻ ԳԻՏԵԼԻՔՆԵՐԻ ԵՎ ԳՈՐԾՆԱԿԱՆ ՀՄՏՈՒԹՅՈՒՆՆԵՐԻ ԳՆԱՀԱՏՈՒՄԸ ՈՐՊԵՍ ԲՐՈՒՑԵԼՈԶԻ ՀԱՄԱՃԱՐԱԿԱԲԱՆԱԿԱՆ ԻՐԱՎԻՃԱԿԻ ՎԵՐԼՈՒԾՈՒԹՅԱՆ ԿԱՐԵՎՈՐ ԳՈՐԾՈՆ Full text
2023
The study aimed to assess 58 veterinary laboratory specialists' knowledge, attitudes, and practices concerning brucellosis across all regional (Marz) and central laboratories (Reference Laboratory for Especially Dangerous Pathogens). The survey was developed to assess the knowledge of lab specialists and identify gaps in laboratory activities that may have an impact on test results. Questions covered the following topics: a) disease epidemiology, b) sample conditions, c) biosafety and biosecurity, and d) laboratory tests, requirements, and indicators. According to the results, 45 % of respondents are 51 years old or older, most (26 respondents/45 %) have six to ten years of laboratory experience, and 20 respondents (35 %) have 21 years and more experience. Eleven people (19 %) had not received professional training. At the same time, 90 % and more correct answers were given by respondents who had passed training during the last year. In the last year, a person took training but did not answer 90% of the questions correctly. Most part (86 %) of respondents were not familiar with lab test indicators (sensitivity, specificity, accuracy, etc.) and 46 (79 %) were unaware of screening and confirmation tests requirements. Only 55 % (32 people) knew that one serological test was insufficient to make a final diagnosis, but 24 (75 %) of those respondents could not justify that. This study shows that it is necessary to review the current mechanisms for the preparation of laboratory specialists. This will indirectly impact an accurate assessment of the epidemiological situation of brucellosis in Armenia.
Show more [+] Less [-]ԽՈԶԵՐԻ ԿՈԼԻԲԱԿՏԵՐԻՈԶԻ ԵՎ ՍԱԼՄՈՆԵԼՅՈԶԻ ՀԱՐՈՒՑԻՉՆԵՐԻ ՀԱԿԱԲԻՈՏԻԿԱԿԱՅՈՒՆՈՒԹՅՈՒՆԸ ՀԱՅԱՍՏԱՆՈՒՄ. ՍՔՐԻՆԻՆԳԱՅԻՆ ՀԵՏԱԶՈՏՈՒԹՅՈՒՆ Full text
2023
Pig breeding is considered one of the most significant directions of livestock breeding both worldwide and in the Republic of Armenia. Various types of antibiotic drugs are used in animal husbandry, particularly in pig breeding, to promote animal growth and development. The current challenge in agriculture is antibiotic resistance, which can be caused by improper use of antibiotics in animal husbandry. In the study, 50 biological samples (feces samples) of 50 pigs were collected from three regions in the Republic of Armenia. We found Salmonella spp. in 6 (12.0 %) of 50 pig samples studied by us and in 41 (82.0 %) bacteria belonging to E-coli groups was detected. The detected bacteria belonging to the Salmonella group showed absolute 100 % resistance to 7 out of 16 antibiotics. The detected E. coli bacteria showed 100 % resistance to 7 out of 16 antibiotic types. When carrying out antibiotic treatment against salmonellosis and colibacteriosis diseases in pigs, The results of the research should be taken into account and the use of antibiotics of this type should be excluded.
Show more [+] Less [-]ԽԱՂՈՂԻ ՉԱՐԵՆՑԻ ՍՈՐՏԻ ՏԵԽՆՈԼՈԳԻԱԿԱՆ ԳՆԱՀԱՏԱԿԱՆԸ ՎԱՐԴԱԳՈՒՅՆ ԳԻՆԻՆԵՐԻ ԱՐՏԱԴՐՈՒԹՅԱՆ ՀԱՄԱՐ Full text
2023
In the field of agro-industry, the most attention is paid to the development of eco-friendly technologies, which allow to improve the efficiency of natural resources in sustainable agriculture, preserving the environment, as well as to obtain high-quality, environmentally friendly, and safe products. Currently, organic viticulture and biodynamic winemaking are rapidly developing and demanding areas of winemaking. In light of these factors, it makes sense to cultivate grape varieties that are resistant to cold, fungal diseases, and pests (in particular, the Charentsi variety). Under different conditions, the microbiological state, physicochemical parameters, organic acids content, and color characteristics of Charentsi grapes were examined. We studied the physicochemical parameters of wines made by using different methods. The possibility of making ecologically clean rosé wines from this grape variety was assessed, using it as a raw material.
Show more [+] Less [-]Studying Stimulant and Fungicidal Properties of Preparation “Argitos Agro” against Powdery Mildew in Greenhouse Conditions Full text
2023
Atchemyan, L.H. | Mirzoyan, V.S. | Petroayan, N.K. | Karapetyan, G.A.
“Argitos Agro” is a plant growth stimulant with fungicidal effect and when disinfecting cucumber seeds and applying during the growing season, it does not have a significant effect on the development of powdery mildew disease. The preparation, indeed, has a stimulating effect on the germination of cucumber seeds, the growth of seedlings and plants, accelerates flowering, increases the yield and improves its quality indicators.
Show more [+] Less [-]The Effect of Applying Mineral Fertilizers Through Drip Irrigation and Furrow Method on the Movement of Mobile Nutrients in the Soil and the Growth, Development, and Accumulation of Nutrients in the Walnut Leaves Full text
2023
Gasparyan, G.H. | Yeritsyan, S.K. | Yeritsyan, L.S. | Santrosyan, G.S.
A task was set to reveal the effect of water-soluble fertilizers of new composition and quality on the content of available nutrients at different depths of the soil, depending on the movement of the irrigation water, irrigation time, as well as its effect on the growth, yielding capacity and the quality of fruit in commercial size walnut orchards. The research has shown that the movement of nutrients in the soil is completely dependent on the movement of water when applying water-soluble complex fertilizers with drip irrigation. Therefore, the amount of the water should be adjusted so that the nutrients are available to the plant’s root system at all depths, improving the growth, and increasing the content of the basic nutrients in the leaves.Fertilizers with less water solubility are mainly preserved at a 0 cm - 30 cm depth. When the root system grows and spreads to the inter-row spaces, it is appropriate to periodically fertilize also the inter-row spacing by the furrow method.
Show more [+] Less [-]Using Alternative Raw Materials in Sugar Confectionery Production Full text
2023
Hovhannisyan, N.G. | Mkhitaryan, H.V. | Apreyan, G.B. | Hayrapetyan, R.S.
A novel recipe and production technology for sugar confectionery, specifically marmalade, has been developed through scientific and experimental research. The findings affirm that pumpkin and sea buckthorn purees can effectively substitute traditional plum and apple purees, eliminating the need for various coloring agents. The suggested product represents a domestically-produced marmalade, particularly in the food market, and this endeavor will play a crucial role in advancing both marmalade production and the development of the raw material base.
Show more [+] Less [-]