Effect of black pepper (Piper nigrum) extract on productive traits, economic efficiency and blood biochemical parameters of rainbow trout (Oncorhynchus mykiss W.)

Ts. Stoev, G. Zhelyazkov Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 5 June 2021; accepted for publication 10 August 2021) Abstract. The aim of the present study was to evaluate the effect of the di
Continue Reading →