Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 37.17
Milk (kg) -922.00 -0.014 12.91
Fat (kg) -32.13 -0.375 12.03
Prot (kg) -27.71 -0.441 12.23
Fertility Sub Index 1.81
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 40.50

* Based on an €80/tonne carbon price