Аграрный вестник Урала № 03 (145) 2016Животноводство
INTESTINAL BACTERIAL COMPOSITION CHANGES OF CHICKEN-BROILERS WITH INCLUDING IN THE DIET OF A PROBIOTIC AND A SORBENT
Bacteriological tests of chicken-broilers litter fed a diet of feed additive flask Krasnogvardeiskoe field of Sverdlovsk regionand at a dose of 3.0 % of diet dry matter and the production of probiotic fugate “Biosporin”, both separately and togethershowed that diurnal birds observed in the litter presence of E. coli and yeast cells. The second study in two weeks have shownthat the greatest positive changes of the bacterial composition of the litter observed in the group supplemented with probioticsand is accompanied by a decrease in the number of E. coli at 68.0 %, with the addition flask its amount decreased by 20.0 %,in combined feeding two feed additives – by 60.0 % as compared with the control group, which has its counted 2.5 × 109/g.In the litter completely absent lactose-negative Escherichia coli, and the number decreased from poorly fermented 2.0 × 107/gin the control group to 0.1 × 107/g – the group with flasks up 0.05 × 107/g – with a probiotic to 0.07 × 107/g – when sharingtheir feeding. With a decrease in poultry litter lactose-negative and poorly fermented E. coli has increased the proportion oflactose-positive, which favorably affected the growth and development of lactic acid bacteria, the amount of which in the litterof broiler group with the addition flask rose to 10.0 × 108/g, or 20 times, with the addition of probiotic – to 30.0 × 108/g, or 60times, at their joint use – to 28.0 × 108/g, or 56 times as compared with the control group, in which there 0.5 × 108/g. Flaskshas reduced the number of Enterococcus in the litter twice (1.5 × 106/g), and in the group with the addition of probiotics and,together with flask they were completely absent, as well as conditionally pathogenic microflora.
chicken-broilers, rearing, feeding, bacterial composition of the intestine, feed additive, probiotic, flasks, agerelated changes.
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