Effect of partial substitution of soybean meal with autolyzed brewers yeast on the productivity and health status of weaned pigs
G. Yordanova
, R. Nenova, R. Nedeva
, A. Apostolov, K. Eneva
Abstract: The aim of the study was to determine the influence of the addition of autolyzed brewer’s yeast on the productivity and the health status of weaned pigs. A scientific and economic experiment was conducted at the Agricultural Institute – Shumen with 2 groups of 21 pigs in each group, or a total of 42 weaned pigs of the Danube white breed. The pigs were reared in raised pens of 7 pigs in a pen, 3 pens in a group. The animals were equalized by live weight, sex and origin. The experiment started at 9.385–9.464 kg of live weight and ended when it reached 28.95–30.786 kg. In the compound feed of the pigs in the experimental group, the 3% of the soybean meal was replaced with added autolyzed brewer’s yeast. The inclusion of autolyzed brewer’s yeast (replacing 3% of soybean meal in the compound feed) in weaned pigs (9.385– 9.464 kg to 28.95–30.786 kg lw) of the Danube White breed indicated a tendency for higher daily gain by 8.82% and lower feed conversion ratio per kg gain by 6.93%.
Addition of autolyzed brewer’s yeast leads to optimization of lipid metabolism and changes some hematological parameters within physiological reference values.
Keywords: blood indexes; brewers yeast; weaned pigs
Citation: Yordanova, G., Nenova, R., Nedeva, R., Apostolov, A. & Eneva, K. (2024). Effect of partial substitution of soybean meal with autolyzed brewer’s yeast on the productivity and health status of weaned pigs. Bulg. J. Agric. Sci., 30(6), 1071–1076
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| Date published: 2024-12-16
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