Empleo de Saccharomyces cerevisiae como tecnología para incrementar la ganancia de peso de terneros

With the objective of establish the probiotic effect of Saccharomyces cerevisiae on weight gain of calves grazing Siboney de Cuba, 40 animals, all with an average age of 180 days and an intermediate body weight of 80 kg were selected. The calves were divided into two groups (control and experimental) of 20 exemplars each ones. All of them were supplied with Norgold and in the experimental this concentrate was mixed with 100 ml of S. cerevisiae live culture. The animals were weighed at 30, 60, 90, and 120 days into the investigation; he utilized a mechanical weight fixed and weight was estimated during the morning hours with the animals in fasts. The classification in 1st, 2nd, 3st, 4st and Industrials categories accomplished according to the resolution No 153 of the year 2007. Calves fed with yeast as a nutritional additive showed a 10 kg (p < 0.05) higher weight gain than the control group; average daily gain was also higher (more than 100 g / animal / day). It’s concluded that the use of Saccharomyces cerevisiae as a nutritional additive for calves grazing is an available alternative, easy to employ that contribute to increase the weight gain.