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 2.46
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index 0.03
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) -0.05 1.117 -0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.27
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 3.27

* Based on an €80/tonne carbon price