T. Slavov*, V. Radev, R. Mihaylov, I. Varlyakov Department of Morphology, Physiology and Animal Nutrition, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria Abstract. A physiological trial was conducted to evaluate the effect of diet supplementation with non-prote

V. Radev*, I. Varlyakov, T. Slavov, R. Mihaylov Abstract. The investigation was carried out with five yearling sheep, Stara Zagora meat type and Pleven Blackhead crosses. The average live body weight of animals at the beginning of the experiment was 55±4 кg. The effect of supplementat

V. Radev, T. Slavov, I. Varlyakov Abstract. An experiment was conducted to evaluate the effect of three rations with different lipid and protein levels on some blood biochemical parameters in yearling rams. The experiment was performed with nine Blackhead Pleven yearling rams, with in

I. Varlyakov, V. Radev, T. Slavov, G. Ganchev Abstract. A physiological experiment was conducted with three yearling sheep, Stara Zagora x Pleven Blackhead crosses, to establish the effect of feeding Paulownia elongatа leaves on some blood parameters. The trial consisted of two period

V. Radev, I. Varlyakov, R. Mihaylov Abstract. An experiment was conducted to evaluate the effect of rations with different lipid and protein levels on total counts and generic composition of rumen ciliates, and bacterial cellulolytic activity in the rumen of yearling rams. Three ratio

V. Radev Abstract. To establish the effect of different dietary lipid and protein content un rumen fermentation in yearling rams, three rations have been tested. The main component in them was ground barley and meadow hay (ration I), plus a different lipid and protein source – sunflow

T. Slavov, V. Radev, S. Tchobanova Abstract. An experiment was conducted with 24 Pleven Blackhead yearling sheep in the experimental base of the Animal Physiology Unit, Faculty of Agriculture to Trakia University – Stara Zagora. The animals’ average weight at the beginning was 2

V. Radev Abstract. The investigation was carried out with five yearling sheep, Stara Zagora meat type and Pleven Blackhead crosses. The average live body weight of animals at the beginning of the experiment was 55.4 кg. The effect of dietary supplementation of dried distillers grains