**8. Conclusion**

Besides providing high-quality food for milk production and preventing metabolic disorders, it is essential to pay special attention to the first 100 days after calving. This is because the aim of our activity during the transition period is to prevent calving complications and uterine diseases and, if it is not possible, to treat them accordingly as soon as possible. Furthermore, it is essential to emphasize that if we would like to select a new diagnostic method or treatment protocol, it is always necessary to compare the results with the previously used test or treatment protocol.
