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Wyszukujesz frazę "Varroa destructor" wg kryterium: Wszystkie pola

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    Wyświetlanie 1-9 z 9
    Tytuł:
    Ecological mite control agents, particularly against Varroa destructor
    Autorzy:
    Garbaczewska, S.
    Kazimierczak, J.
    Lysik, A.
    Londzin, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/55345.pdf
    Data publikacji:
    2010
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    Apis cerana
    Apis mellifera
    Varroa destructor
    control agent
    honey bee
    mite
    miticide
    parasitic mite
    plant extract
    varroa disease
    animal disease
    walnut extract
    yew extract
    Opis:
    Varroa destructor is an external parasitic mite that attacks honey bees Apis cerana and Apis mellifera. Varroa mites can be controlled through commercially available miticides, as well as non-chemical means. Our research work has been conducted on plants extracts reducing the mite population. We have obtained promising results for extracts of yew and walnut.
    Źródło:
    Pestycydy; 2010, 1-4
    0208-8703
    Pojawia się w:
    Pestycydy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effectiveness of several compounds against Varroa destructor - preliminary research in Podlaskie Province
    Skuteczność wybranych zwiazków w walce z Varroa destructor – wstępne badania w województwie Podlaskim
    Autorzy:
    Kruszewski, M.A.
    Naumowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2602346.pdf
    Data publikacji:
    2018
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Varroa destructor
    honey bee
    parasite
    chemical compound
    flumethrin
    coumaphos
    amitraz
    formic acid
    thymol
    Podlasie voivodship
    Źródło:
    Acta Scientiarum Polonorum. Zootechnica; 2018, 17, 1; 23-30
    1644-0714
    Pojawia się w:
    Acta Scientiarum Polonorum. Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Edge computing in IoT-enabled honeybee monitoring for the detection of Varroa destructor
    Autorzy:
    Wachowicz, Anna
    Pytlik, Jakub
    Małysiak-Mrozek, Bożena
    Tokarz, Krzysztof
    Mrozek, Dariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2172108.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    Internet of Things
    IoT
    Varroa destructor
    precision beekeeping
    machine learning
    image processing
    edge device
    Internet Rzeczy
    pszczelarstwo
    uczenie maszynowe
    przetwarzanie obrazu
    urządzenie brzegowe
    Opis:
    Among many important functions, bees play a key role in food production. Unfortunately, worldwide bee populations have been decreasing since 2007. One reason for the decrease of adult worker bees is varroosis, a parasitic disease caused by the Varroa destructor (V. destructor) mite. Varroosis can be quickly eliminated from beehives once detected. However, this requires them to be monitored continuously during periods of bee activity to ensure that V. destructor mites are detected before they spread and infest the entire beehive. To this end, the use of Internet of things (IoT) devices can significantly increase detection speed. Comprehensive solutions are required that can cover entire apiaries and prevent the disease from spreading between hives and apiaries. In this paper, we present a solution for global monitoring of apiaries and the detection of V. destructor mites in beehives. Our solution captures and processes video streams from camera-based IoT devices, analyzes those streams using edge computing, and constructs a global collection of cases within the cloud. We have designed an IoT device that monitors bees and detects V. destructor infestation via video stream analysis on a GPU-accelerated Nvidia Jetson Nano. Experimental results show that the detection process can be run in real time while maintaining similar efficacy to alternative approaches.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2022, 32, 3; 355--369
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Composition of fatty acids in the Varroa destructor mites and their hosts, Apis mellifera drone-prepupae
    Autorzy:
    Dmitryjuk, M.
    Zalewski, K.
    Raczkowski, M.
    Zoltowska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/6733.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Opis:
    The fatty acid (FA) profile of lipids extracted from the Varroa destructor parasitic mite and its host, drone prepupae of Apis mellifera, was determined by gas chromatography (GC). The percentages of saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs) and polyunsaturated fatty acids (PUFAs) were generally similar in parasites and their hosts. Fatty acids were arranged in the following descending order based on their content: MUFAs (ca. 52–55%), SFAs (ca. 41%) and PUFAs (ca. 3%). The predominant fatty acids were oleic acid (46% in mites, 44% in prepupae) and palmitic acid (23% and 30%, respectively). Varroa parasites differed from their hosts in the quantity of individual FAs and in their FA profiles. Three PUFAs noted in the host were not observed in parasitic mites, whereas the presence of C21:0, C24:0 and C22:1 FAs was reported in mites, but not in drones.
    Źródło:
    Annals of Parasitology; 2015, 61, 1
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detection of the high risk pyrethroid resistant Varroa destructor mites in apiaries of the Warmia-Mazury province in Poland
    Autorzy:
    Lipinski, Z.
    Szubstarski, J.
    Szubstarska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/836226.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    parasite
    Polska
    honey bee
    honey bee colony
    mite
    Varroa destructor
    high risk
    detection
    Apis mellifera
    Źródło:
    Annals of Parasitology; 2007, 53, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detection of the high risk pyrethroid resistant Varroa destructor mites in apiaries of the Warmia-Mazury province in Poland
    Autorzy:
    Lipiński, Z.
    Szubstarski, J.
    Szubstarska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2143973.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    parasite
    Polska
    honey bee
    honey bee colony
    mite
    Varroa destructor
    high risk
    detection
    Apis mellifera
    Opis:
    Background. The aim of our current study was to investigate the possible occurence of pyrethroid (tau−fluvalinate) resistant Varroa mites infestations in 24 randomly chosen apiaries of Warmia−Mazury province of north−east Poland. Methods. The methodology used for the analysis of resistant Varroa strains strictly followed the protocol described by Milani [6, 14]. Results. We identified 3 apiaries that were infested with high risk pyrethroid resistance mites and a further 9 apiaries that were free from this resitance. The brood samples collected from the remaining apiaries did not contain sufficient numbers of parasites to enable us to properly perform the assay. Conclusions. Our finding that 25% of the tested brood samples showed a high risk of fully pyrethroid resistant Varroa mite contamination indicates that resistant Varroa may become wide spread in apiaries in Poland. Interestingly these high risk resistant mites were found in honeybee colonies with low levels of Varroa infestation, with an average rate of 2.16%. We also discuss the role of amitraz (amidine) in the phenomenon of Varroa resistance to pyrethroids.
    Źródło:
    Wiadomości Parazytologiczne; 2007, 53, 3; 245-249
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in the lysozyme-1 gene and lysozyme activity in development of honeybee (Apis mellifera) in response to infection with Varroa destructor
    Autorzy:
    Ewa Zaobidna, E.
    Zoltowska, K.
    Lopienska-Biernat, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/6112.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    lysozyme
    lysozyme activity
    animal development
    honey bee
    Apis mellifera
    animal response
    animal infection
    Varroa destructor
    Źródło:
    Annals of Parasitology; 2016, 62, Suppl.
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The total protein content, protein fractions and proteases activities of drone prepupae of Apis mellifera due to varrosis
    Autorzy:
    Żółtowska, K.
    Lipiński, Z.
    Dmitryjuk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2146371.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    protease
    protease activity
    honey bee
    drone prepupa
    protein fraction
    varrosis
    total protein
    Varroa destructor
    Apis mellifera
    protein content
    Opis:
    The proteins level and activities of acid and alkaline proteases in whole body extracts of drone prepupae of Apis mellifera naturaly infested with Varroa destructor were studied. The infested and a non-infested group did not differ significantly in their total protein content. However, some differences in protein profiles were found. A lack of three protein fractions of moderate and lower molecular weight in infested prepupae was noted. Moreover, some differences in the quantity of protein in most of the fractions were observed. The activity of acid proteases from infested prepupae was lower (p < 0.05) compared with the activity of these proteases from the non-infested one group. The infested drone had higher activity of alkaline proteases than non-infested but this difference was not statisticaly significant.
    Źródło:
    Wiadomości Parazytologiczne; 2005, 51, 1; 43-47
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The total protein content, protein fractions and proteases activities of drone prepupae of Apis mellifera due to varrosis
    Autorzy:
    Zoltowska, K
    Lipinski, Z.
    Dmitryjuk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/840749.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    protease
    protease activity
    honey bee
    drone prepupa
    protein fraction
    varrosis
    total protein
    Varroa destructor
    Apis mellifera
    protein content
    Opis:
    The proteins level and activities of acid and alkaline proteases in whole body extracts of drone prepupae of Apis mellifera naturaly infested with Varroa destructor were studied. The infested and a non-infested group did not differ significantly in their total protein content. However, some differences in protein profiles were found. A lack of three protein fractions of moderate and lower molecular weight in infested prepupae was noted. Moreover, some differences in the quantity of protein in most of the fractions were observed. The activity of acid proteases from infested prepupae was lower (p < 0.05) compared with the activity of these proteases from the non-infested one group. The infested drone had higher activity of alkaline proteases than non-infested but this difference was not statisticaly significant.
    Źródło:
    Annals of Parasitology; 2005, 51, 1
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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