“…It has been experimentally proven that careful processing of the udder before and after milking favorably affects both productivity and udder health and the prevention of mastitis. Farms of the Chuvash Republic for the production of milk use various means for hygienic treatment of the udder: based on chlorhexidine, iodine, probiotic bacteria and plant components, for example, chamomile, aloe, calendula [2,3,4,5].…”