“…Whey, is an easily fermentable excellent source of soluble carbohydrates for rumen microorganisms. In addition, it contains highquality soluble protein, which can serve as a source of nitrogen for rumen microorganisms (Lee et al, 2019;Guedes et al, 2020). In the cheese production industry, approximately 88% of milk remains as whey, and only about 12% is converted into cheese.…”