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 7.61
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -10.23 -0.441 4.52
Fertility Sub Index 0.70
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 9.81

* Based on an €80/tonne carbon price