Abstract

The results of studies on the influence of feed additives "Strolitin" and "Butofan or" on the dynamics of growth and development of live weight and ovaries, as well as their correlation, in young laying hens of the cross "IZA F-15" are presented. Our results convincingly prove the positive dynamics of growth and development of the ovaries at all stages of the study, in young experimental group, under the influence of feed additives "Strolitin" and "Butofan OR". An increase in the relative area and number of actively growing follicles and pronounced vascularization in the medulla allow us to predict with confidence the onset of an earlier reproductive period.

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