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 4.78
Milk (kg) -193.00 -0.014 2.70
Fat (kg) -0.83 -0.375 0.31
Prot (kg) -4.00 -0.441 1.77
Fertility Sub Index 1.60
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 7.91

* Based on an €80/tonne carbon price