European Commission. The new common agricultural policy: 2023–27, Agric. Rural Dev. 1–7. 2022. [Online]. [Accessed: 11.12.2022]. Available: https://agriculture.ec.europa.eu/common-agricultural-policy/cap-overview/newcap-2023-27_en
European Commission. Reinforcing Europe’s resilience: halting biodiversity loss and building a healthy and sustainable food system. 2020. [Online]. [Accessed: 11.12.2022]. Available: https://ec.europa.eu/commission/presscorner/detail/lv/ip_20_884
Bumbiere K., Diaz Sanchez F. A., Pubule J., Blumberga D. Development and Assessment of Carbon Farming Solutions. Environmental and Climate Technologies 2022:26(1):898–916. https://doi.org/10.2478/rtuect-2022-0068
Locmelis K., Blumberga A., Bariss U., Blumberga D., Balode L. Industrial energy efficiency towards green deal transition. Case of Latvia. Environmental and Climate Technologies 2021:25(1):42–57. https://doi.org/10.2478/rtuect-2021-0004
Klein A. M. et al. Importance of pollinators in changing landscapes for world crops. Proc. R. Soc. B Biol. Sci. 2007:274(1608):303–313. https://doi.org/10.1098/rspb.2006.3721
Cobey S. W. Comparison studies of instrumentally inseminated and naturally mated honey bee queens and factors affecting their performance. Apidologie 2007:38(4):390–410. https://doi.org/10.1051/apido:2007029
Büchler R. et al. Standard methods for rearing and selection of Apis mellifera queens. Journal of Apicultural Research 2013:52(1):1–30. https://doi.org/10.3896/IBRA.1.52.1.07
Cobey S. W., Tarpy D. R., Woyke J. Standard methods for instrumental insemination of Apis mellifera queens. J. Apic. Res. 2013:52(4):1–18. https://doi.org/10.3896/IBRA.1.52.4.09
Woyke J., Jasinski Z. Influence of Age of Drones on the Results of Instrumental Insemination of Honeybee Queens. Apidologie 1978:9(3):203–212. https://doi.org/10.1051/apido:19780304
Taylor M. A., Guzmán-Novoa E., Morfin N., Buhr M. M. Improving viability of cryopreserved honey bee (Apis mellifera L.) sperm with selected diluents, cryoprotectants, and semen dilution ratios. Theriogenology 2009:72(2):149–159. https://doi.org/10.1016/j.theriogenology.2009.02.012
Yániz J. L., Silvestre M. A., Santolaria P. Sperm quality assessment in honey bee drones. Biology (Basel) 2020:9(7):174. https://doi.org/10.3390/biology9070174
Paillard M., Rousseau A., Giovenazzo P., Bailey J. L. Preservation of Domesticated Honey Bee (Hymenoptera: Apidae) Drone Semen. J. Econ. Entomol. 2017:110(4):1412–1418. https://doi.org/10.1093/jee/tox149
Gül A., Şahinler N., Onal A. G., Hopkins B. K., Sheppard W. S. Effects of diluents and plasma on honey bee (Apis mellifera L.) drone frozen-thawed semen fertility. Theriogenology 2017:101:109–113. https://doi.org/10.1016/j.theriogenology.2017.06.020
Auth C. A., Hopkins B. K. Nitrogen vapor immersion: An accessible alternative for honey bee (Apis mellifera L.) semen cryopreservation. Cryobiology 2021:100:12–18. https://doi.org/10.1016/j.cryobiol.2021.04.006
Alcay S. et al. Successful cryopreservation of honey bee drone spermatozoa with royal jelly supplemented extenders. Cryobiology 2019:87:28–31. https://doi.org/10.1016/j.cryobiol.2019.03.005
Collins A. M. Relationship between semen quality and performance of instrumentally inseminated honey bee queens. Apidologie 2000:31(3):421–429. https://doi.org/10.1051/apido:2000132
Hopkins B. K., Herr C. Factors affecting the successful cryopreservation of honey bee (Apis mellifera) spermatozoa. Apidologie 2010:41(5):548–556. https://doi.org/10.1051/apido/20010006
Collins A. M. Survival of honey bee (Hymenoptera: Apidae) spermatozoa stored at above-freezing temperatures. J. Econ. Entomol. 2000:93(3):568–571. https://doi.org/10.1603/0022-0493-93.3.568
Hopkins B. K., Cobey S. W., Herr C., Sheppard W. S. Gel-coated tubes extend above-freezing storage of honey bee (Apis mellifera) semen to 439 days with production of fertilised offspring. Reprod. Fertil. Dev. 2017:29(10):1944–1949. https://doi.org/10.1071/RD16087
Dadkhah F., Nehzati-Paghaleh G., Zhandi M., Emamverdi M., Hopkins B. K. Preservation of honey bee spermatozoa using egg yolk and soybean lecithin-based semen extenders and a modified cryopreservation protocol. J. Apic. Res. 2016:55(4):279–283. https://doi.org/10.1080/00218839.2016.1243292
Hopkins B. K., Herr C., Sheppard W. S. Sequential generations of honey bee (Apis mellifera) queens produced using cryopreserved semen. Reprod. Fertil. Dev. 2012:24(8):1079–1083. https://doi.org/10.1071/RD11088
Wegener J., May T., Knollmann U., Kamp G., Müller K., Bienefeld K. In vivo validation of in vitro quality tests for cryopreserved honey bee semen. Cryobiology 2012:65(2):126–131. https://doi.org/10.1016/j.cryobiol.2012.04.010
Harbo J. R., Williams J. L. Effect of above-freezing temperatures on temporary storage of honeybee spermatozoa. J. Apic. Res. 1987:26(1):53–55. https://doi.org/10.1080/00218839.1987.11100735
Harbo J. R. Survival of Honey Bee (Hymenoptera: Apidae) Spermatozoa after Two Years in Liquid Nitrogen (−196 °C). Ann. Entomol. Soc. Am. 1983:76(5):890–891. https://doi.org/10.1093/aesa/76.5.890
Esteki M. H., Malandrino A., Alemrajabi A. A., Sheridan G. K., Charras G., Moeendarbary E. Poroelastic osmoregulation of living cell volume. iScience 2021:24(12):103482. https://doi.org/10.1016/j.isci.2021.103482
Wegener J., May T., Kamp G., Bienefeld K. New methods and media for the centrifugation of honey bee (Hymenoptera: Apidae) drone semen. J. Econ. Entomol. 2014:107(1):47–53. https://doi.org/10.1603/EC13159