Abstract
One of the main conditions for increasing the productivity of animal husbandry is the protection of newborn calves from early death. The leading place among these diseases belongs to infectious diseases with the diarrhea syndrome in newborns. Gastrointestinal diseases of calves, as usually, are polyetiological in nature and caused by various infectious agents: viruses, bacteria, chlamydia, mycoplasmas, fungi, protozoa and others. In the presented study, indicators of the quality of colostrum and vaccination of newborn calves were measured, and such indicators in animals as proteins, fats, lactose, IgG immunoglobulin levels were analyzed. Experiments were carried out on 50 animals. The results obtained confirmed that high-quality colostrum increases the resistance of calves to diseases.
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