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 2.50
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -2.73 -0.375 1.02
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 1.07
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.18
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 6.96

* Based on an €80/tonne carbon price