Abstract
The purpose of this work is to study a new phytobiotic with bifidogenic action as an alternative for veterinary drug at the early stage of ontogenesis and measuring its effect on physiological state and productivity of animals. 3 groups of large white piglets at the age of one day were formed selected for the experiment on the farm. A total of 90 similar piglets were selected. The animals were kept under standard conditions adopted in the farm. Piglets in the control group received farm standard diet (SD), analogs of experimental group I - SD + veterinary drug containing in its composition: «Sulfadimezin» (at a dosage of 25 mg / kg of live weight) and «Trimethoprim» (at a dosage of 5 mg / kg of live weight), II experimental group - OR + «Lactusil» (in the amount of 0.2 mg / kg of live weight). The use of the biologically active feed additive «Lactusil» in diet of the animals in comparison with a veterinary preparation containing in its composition: «Sulfadimezin» and «Trimethoprim» did not have a negative effect on the physiological state and level of humoral immunity. The high level of live weight, absolute and average daily gains is confirmed by the results of biochemical, morphological and immunological studies in blood of experimental piglets, which may indirectly indicate the level of metabolic processes in their bodies.
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