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 1.45
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -1.48 -0.375 0.55
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index -4.94
Calving Interval (days) 2.39 -1.459 -3.49
Survival (%) -1.30 1.117 -1.45
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.12
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index -1.78

* Based on an €80/tonne carbon price