K. Stankov* Department of Management, Faculty of Economics, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 15 June 2019; accepted for publication 23 September 2020) Abstract. The present study aims to assess the influence of the age of first insemination and first

N.A. Ouchene-Khelifi*, N. Ouchene, A. Dahmani Institute of veterinary sciences, Saad Dahlab University Blida 1, Road of Soumaa, BP 270, Blida-09000, Algeria (Manuscript received 20 June 2020; accepted for publication 24 September 2020) Abstract. In goat production, the reproductive ef

Abstract. The aim of the present experiment was to investigate the toxic effects of aflatoxin В1 (AFB1) on production traits (weight gain, feed intake and feed conversion), antibody titre (antihaemagglutinins) after vaccination against Newcastle disease, relative weights of immunocomp