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 3.79
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -1.08 -0.375 0.40
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 4.17
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 0.94 1.117 1.05
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.16
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 13.78

* Based on an €80/tonne carbon price