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 2.56
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index -5.29
Calving Interval (days) 2.63 -1.459 -3.84
Survival (%) -1.30 1.117 -1.45
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.31
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -2.09

* Based on an €80/tonne carbon price