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 2.26
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -2.54 -0.375 0.95
Prot (kg) -2.71 -0.441 1.20
Fertility Sub Index -1.91
Calving Interval (days) 1.69 -1.459 -2.47
Survival (%) 0.50 1.117 0.56
Calving Sub Index 1.71
Gestation Length (days) -1.86 -0.919 1.71
Beef Sub Index -0.76
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 2.53

* Based on an €80/tonne carbon price