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 4.20
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index 1.71
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.18
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 6.94

* Based on an €80/tonne carbon price