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 10.54
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -13.81 -0.375 5.17
Prot (kg) -7.06 -0.441 3.12
Fertility Sub Index 0.57
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) 0.46 1.117 0.51
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.36
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 21.85

* Based on an €80/tonne carbon price