I. Zhelyazkova, S. Atanasova , K. Elencheva – Karaneycheva Abstract. The objective of the present study is to examine samples of bee honey of different origin and create models for their classification through spectral analysis in the near infrared spectrum. Representative samples uni

R. Balkanska, I. Zhelyazkova, M. Ignatova, B. Kashamov Abstract. The purpose of this study was to assess the effect of supplementary honey and artificial sugar feeding of bees on the composition of royal jelly. A total of 29 royal jelly samples were harvested and analyzed from May to

R. Shumkova, I. Zhelyazkova Abstract. The study was conducted in the spring and autumn of 2011 at the Experimental apiary of the Agricultural and Stockbreeding Experimental Station (ASES), Smolyan and at the private apiary of Mitev’s bee farm, Smolyan. For stimulating feeding of

I. Hristakov, I. Zhelyazkova, V. Hvarchilkov Abstract. In this paper the use of stimulated feeding by additive syrup extract of Tribulus terrestris is investigated. Three groups of bee colonies are included in the study (a control and two experimental), which are stimulated with inver