Effect of the frequency of probiotic use on the productivity and incubation properties of eggs of the meat production direction

• А. А. Ovchinnikov ^[1] ; E. V. Matrosova ^[1] ; L. Yu. Ovchinnikova ^[1] ; E. M. Yermolova ^[1] ; D. A. Konovalov ^[1]
  1. [1] South Ural State Agrarian University, Russia
• Localización: Revista Inclusiones: Revista de Humanidades y Ciencias Sociales, ISSN-e 0719-4706, Vol. 7, Nº. Extra 5 (abril-junio), 2020 (Ejemplar dedicado a: Homenaje Maja Zawierzeniec), págs. 168-176
• Idioma: inglés
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• Resumen

  • The use of probiotics Levisel SB Plus and Cellobacterin-T in the amount of 0.50 kg/t of mixed fodder in the diet of young herd replacement of the meat direction during the growing period from 3 to 45 days allowed to get homogeneity by 20.9 and 13.1 % above the analogues of the control group. Probiotic feed additive Levisel SB Plus increased the number of fertilized eggs by 1.96 %, hatchability – by 0.90 %, hatchery waste decreased by 2.7 %, feed costs decreased by 9.6 %. However, the best production results were shown by the group with a similar rate of probiotic Cellobacterin-T introduction, which had these indicators, respectively, of 2.0 %, 1.28, 4.2 and 10.4%.