The aim of the present study was to compare the effect of feeding a newly produced bacteriocinlike substance from ssp (PNP) with a commercial bacteriocin (NISEEN-S; CNP) in lactating Rahmani ewe diets. In experiment 1, the effects of four levels (500, 1,000, 1,500, and 2,000 unit/kg substrate, dry matter (DM) basis) of both bacteriocins on in vitro ruminal fermentation kinetics, total gas production (TGP), methane production (CH), and nutrient degradability were determined. In experiment 2, 2 wk before the expected parturition, 30 multiparous lactating Rahmani ewes (mean ± SD: 2 ± 0.
View Article and Find Full Text PDFThe objective of this study was to determine the ability of an isolated strain (EGY_NRC1) or commercial (NCIMB 11181) as a probiotic for lactating cows. Two experiments were conducted: In Experiment 1, the effects of three levels (1, 2, and 3 g/kg diet, DM basis) of isolated and commercial on ruminal fermentation kinetics, gas, methane (CH) and nutrient degradability were determined. In Experiment 2, thirty multiparous Holstein cows (633 ± 25.
View Article and Find Full Text PDFAnimals (Basel)
October 2021