Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 5.22
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -7.45 -0.375 2.79
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 3.56
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 0.39 1.117 0.44
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.28
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price