A 2280
Каталог "Статии" | Списание
Hypopharyngeal glands development of worker bees (Apis mellifera L.) during supplemental feeding with various types of sugar syrups
(2024)
Svilen Lazarov; Ivanka Zhelyazkova; Petya Veleva;
Maria Hashinova
и др.
Б 2465
Каталог "Статии" | Списание
Hygienic behavior and fat body development in worker bees (Apis mellifera L.)
(2022)
S. Lazarov; I. Zhelyazkova
Б 2465
Каталог "Статии" | Списание
Characteristics of some chitin body parts in worker bees (Apis mellifera L.) from hygienic and non-hygienic bee colonies
(2022)
S. Lazarov
A 2280
Каталог "Статии" | Списание
Hygienic behaviour and dimensions of the chitin body parts in worker bees (Apis mellifera L.)
(2020)
Svilen Lazarov; Ivanka Zhelyazkova
Каталог "Статии" | Списание
Hygienic behaviour of bee colonies and total protein content in the haemolymph of worker bees (Apis mellifera L.)
(2018)
Svilen Lazarov; Ivanka Zhelyazkova
Каталог "Статии" | Списание
Length of life of Apis Mеllifera L. Worker bees in region of Belozem ( Bulgaria )
(2013)
Zheko Radev
24
Каталог "Книги" | Книги
Field worker exposure during pesticide application
Proc. of the 5. Internat. Workshop of the Scientific Committee of Pesticides of the Internat. Association on Occupational Health, the Hague the Netherlands, October 9-11, 1979
(1980)
W. Heemstra-Lequin
Б 2465
Каталог "Статии" | Списание
Influence of Baikal EM1 preparation on the productive parameters of bee colonies (Apis mellifera L.) during spring and autumn feeding
(2020)
R. Shumkova; R. Balkanska