R. Guncheva* Department of Animal Husbandry – Non-ruminant Animals and Special Branches, Faculty of Agriculture, Trakiа University, 6000 Stara Zagora, Bulgaria (Manuscript received 12 November 2024; accepted for publication 28 February 2025) Abstract. The aim of this paper is to deter

R. Guncheva* Department of Animal Husbandry – Non-ruminant Animals and Special Branches, Faculty of Agriculture, Trakiа University, 6000 Stara Zagora, Bulgaria (Manuscript received 4 July 2024; accepted for publication 12 September 2024) Abstract. The aim of this paper was to study th

M. Panayotov* Department of Animal Science – Ruminant and Other Animals, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria Abstract. Sericin content of raw silk has a significant effect on the economic efficiency of the silkreeling process and the qualities of raw