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 3.37
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -5.06 -0.375 1.90
Prot (kg) -0.20 -0.441 0.09
Fertility Sub Index 0.65
Calving Interval (days) 0.18 -1.459 -0.26
Survival (%) 0.82 1.117 0.92
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 1.06
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -0.37 -0.432 0.16
Maintenance Sub Index Maint. Sub Index 6.71
Live WT (kg) -21.90 -0.307 6.71
Total Carbon Sub Index 12.93

* Based on an €80/tonne carbon price