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 21.58
Milk (kg) -412.00 -0.014 5.77
Fat (kg) -20.14 -0.375 7.54
Prot (kg) -18.73 -0.441 8.27
Fertility Sub Index 2.06
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index 0.06
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.95 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 26.09

* Based on an €80/tonne carbon price