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 4.85
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -6.82 -0.375 2.55
Prot (kg) -5.04 -0.441 2.22
Fertility Sub Index -0.59
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index -1.51
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 4.53

* Based on an €80/tonne carbon price