In a feeding trial with 58 dairy cows in different stages of lactation, including 14 primiparous animals, the effects of using a high proportion of rapeseed cake (70 %) in a protein supplement were studied in comparison with a concentrate based on soybean meal and sunflower seeds and meal. The basal ration was restricted hay…
The aim of the experiment was to evaluate possible interactions of an enzyme complex and a feed antibiotic on growth and metabolism parameters in broiler chickens. The basal diet contained 400 g/kg barley. The four treatments were as follows: K – without supplements (control), A – antibiotic Zincbacitracin, 50 ppm, E – enzyme complex Bio-Feed…