TY - JOUR N2 - The objective of this study was to determine the association between subclinical acidosis (SARA) and subclinical ketosis (SCK) with biomarkers from an automatic milking system (AMS) measuring in relation to rumination time (RT), milk yield (MY), bodyweight (BW), milk temperature, the milk fat-to-protein ratio, and the electrical conductivity of milk at the udder quarters-level which can be read in fresh dairy cows. During the course of the study, all of the fresh dairy cows (n=711) were examined according to a general clinical investigation plan. The cows were selected for 1-30 days of milk (DIM) and were milked using Lely Astronaut® A3 milking robots with free traffic. Rumination time shows a statistically significant positive correlation with milk yield (milk temperature) and is negatively correlated with the fat and protein ratio. Healthy cows demonstrated the highest level of rumination time and the lowest milk temperature. The average BW for these cows was 1.64% lower than for the SARA group and the BW kg was 2.10% higher than SCK cows. MY was 14.01% lower in comparison with SARA and 6.42% higher in comparison with SCK. According to these results, some biomarkers from the AMS have an association with SARA and SCK. However, further research with a higher number of cows is needed to confirm this conclusion. L1 - http://www.czasopisma.pan.pl/Content/113477/PDF/7.pdf L2 - http://www.czasopisma.pan.pl/Content/113477 PY - 2019 IS - No 4 EP - 693 DO - 10.24425/pjvs.2019.129981 KW - after calving KW - diseases KW - rumination time KW - milk yield KW - body weight A1 - Antanaitis, R. A1 - Juozaitienė, V. A1 - Malašauskienė, D. A1 - Televičius, M. A1 - Urbutis, M. PB - Polish Academy of Sciences Committee of Veterinary Sciences PB - University of Warmia and Mazury in Olsztyn VL - vol.22 DA - 2019.12.27 T1 - Biomarkers from automatic milking system as an indicator of subclinical acidosis and subclinical ketosis in fresh dairy cows SP - 685 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/113477 T2 - Polish Journal of Veterinary Sciences ER -