G. Angelov, I.Dimitrova, T. Mehmedov, P. Stamberov, N. Stancheva, S. Georgieva, Zh. Nakev Abstract. The survey covers 140 clinically healthy sheep from two indigenous sheep breeds – Karakachan (KK)and Copper-Red Shumen (CRS) over one year old. Blood samples are taken from v. jugularis

V. Valcheva, K. Trendafilov Abstract. We examined the reaction of vine rootstocks based on hybrids of Vitis riparia, Vitis rupestris and Vitis berlandieri, to deficiency and excess of Ca and Mg in nutrient solutions in hydroponics cultivation in order to investigate their resistance t