Nutritional value of probiotic milk powder for middle-aged and elderly Dutch dairy cows. Probiotic milk powder for middle-aged and elderly Dutch dairy cows is rich in probiotics such as lactobacilli and bifidobacteria, which are beneficial to human intestinal health. At the same time, it also contains high-quality dairy nutrients, such as protein and calcium, which can help improve human immunity and bone health. First of all, lactic acid bacteria can promote the balance of intestinal flora and avoid adverse conditions such as constipation and diarrhea in the human body. Bifidobacterium can form a protective barrier, relieve intestinal inflammation, and can also effectively reduce blood lipids, blood sugar, cholesterol and other indicators. In addition, Dutch dairy milk powder has a higher protein content and is of better quality