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 0.71
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -0.95 -0.375 0.36
Prot (kg) -1.19 -0.441 0.53
Fertility Sub Index -1.01
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.12
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 2.13

* Based on an €80/tonne carbon price