“Disinfect the calf’s navel within one minute of birth,” Henk emphasizes. Research (Calf survival study, University of Wisconsin) shows that the mortality rate of calves whose navels are not disinfected is 2.5 times higher.
calves (#) | mortality rate (%) | diarrhea treatment (%) | respiratory infection treatment | |
desinfected | 269 | 7,1 | 30,5 | 5,2 |
NOT desinfected | 132 | 18 | 22 | 18 |
Source: Calf survival study. University of Wiconsin. |