Authors: O. Yu. EZHOVA, candidate of biological sciences, associate professor, Yu. N. BELETSKAYA, candidate of agricultural sciences, associate professor, L. N. BAKAYEVA, candidate of agricultural sciences, associate professor, Orenburg State Agrarian University (18 Chelyuskintsev Str., 460014, Orenburg), R. R. GADIEV, doctor of agricultural sciences, professor, Bashkir State Agrarian University (34 50-letiya Oktyabrya Str., 450001, Ufa)
Keywords: poultry, ducklings, enzyme preparation, digestibility.
Abstract: Ducks on precocity, payment of a forage production and many other economically important qualities occupy one of the leading places in the country in comparison with other types of a bird. Duck meat by biological value exceeds the biological index of beef by 18–20 %. Ducks are characterized by high reproductive qualities, which are well combined with the intensive growth of young at an early age. The live weight of ducklings from day to 6–7 weeks of age increased to 50-60 times. In recent years, in order to balance the diets of the main nutrients and energy and improve the efficiency of their use for the synthesis of products in the diets of young ducks introduced various feed additives. The greatest prospect in this regard is the use of enzyme preparations. In this regard, we were selected ducklings cross „Blagovarsky“ in the amount of 1000 heads. Ducklings were divided into 5 groups. The control group was fed complete feed, I experimental group from 3 days of age was fed complete feed with the addition of the enzyme preparation „Rovabio“ at the rate of 1 g / 100 kg of feed, II experimental group to the complete feed received the addition of the enzyme preparation at a dose of 3 g / 100 kg of feed, III experimental group was administered the addition of the enzyme preparation „Rovabio“ to the feed at the rate of 5 g / 100 kg, IV experimental group included the addition of the enzyme preparation in the feed 7 g / 100 kg. The best indicators on the coefficients of digestibility of nutrients of the diet were observed in ducklings III and IV experimental groups.
