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 2.67
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -1.71 -0.441 0.75
Fertility Sub Index 4.33
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 1.29 1.117 1.44
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.36
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -0.09 -0.432 0.04
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.22

* Based on an €80/tonne carbon price