{"id":12949,"date":"2026-10-27T08:00:00","date_gmt":"2026-10-27T08:00:00","guid":{"rendered":"https:\/\/jodoco.com\/?p=12949"},"modified":"2026-08-03T07:39:38","modified_gmt":"2026-08-03T07:39:38","slug":"how-to-protect-cow-gut-health-during-transition-period","status":"publish","type":"post","link":"https:\/\/jodoco.com\/en\/how-to-protect-cow-gut-health-during-transition-period\/","title":{"rendered":"How to protect the gut of dairy cows during the transition period?"},"content":{"rendered":"

You protect the gut of a transition cow by actively supporting her ration, drinking water, and microbiome balance around calving. The transition period \u2014 the three weeks before and after calving \u2014 is the most metabolically demanding phase in a dairy cow’s life. In this article, we answer the most frequently asked questions about gut health in transition cows, from the physiological changes to concrete support strategies.<\/p>\n

What happens in a cow’s gut during the transition period?<\/h2>\n

During the transition period, a cow’s gut undergoes profound physiological changes. Feed intake drops sharply in the final weeks before calving, while energy demand rises explosively after calving. This creates a negative energy balance that puts the entire digestive system under pressure, including the integrity of the intestinal wall.<\/p>\n

The mucosa \u2014 the mucosal layer lining the inside of the intestine \u2014 is particularly sensitive to this stress. When feed intake decreases, the intestinal villi shrink and the absorptive surface area diminishes. At the same time, rumen fermentation changes due to the ration shift around calving, which affects the acidity in the forestomachs and indirectly destabilizes the cow’s gut flora as well.<\/p>\n

In addition, cortisol levels rise sharply around calving. This stress hormone weakens the tight junctions \u2014 the protein connections that bind intestinal cells together. The result is increased intestinal wall permeability, also known as “leaky gut,” whereby harmful substances and pathogens can more easily penetrate the intestinal barrier.<\/p>\n

Why is gut health in transition cows so vulnerable?<\/h2>\n

Gut health in transition cows is vulnerable because multiple stressors strike simultaneously: hormonal changes, a negative energy balance, a shifting ration, and the physical strain of calving. No other phase in the production cycle combines so many risk factors at the same moment.<\/p>\n

Healthy gut function rests on four pillars: the integrity of the mucosal barrier, a balanced microbiome, well-functioning immune modulation, and optimal nutrient utilization. During the transition period, all of these pillars come under pressure at the same time.<\/p>\n

What makes the situation even more complex is that the rumen plays a major role in nutrient metabolism in ruminants. Betaine, an important osmolyte, is largely broken down by microorganisms in the rumen of ruminants. This means that the amount available to the intestine is lower than in monogastric animals, while the need is actually high. In addition, reduced feed intake decreases the supply of fiber, which reduces the production of short-chain fatty acids (SCFA) in the large intestine. These fatty acids, particularly butyrate, are the primary energy source for intestinal cells.<\/p>\n

What problems arise from a disrupted gut flora in cows?<\/h2>\n

A disrupted gut flora in cows leads to dysbiosis: a condition in which microbiome diversity decreases, pathogenic bacteria (often Proteobacteria) gain the upper hand, and low-grade inflammation develops. This has direct consequences for the health, production, and welfare of the cow.<\/p>\n

The most common problems associated with disrupted gut flora around calving are:<\/p>\n