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 3.15
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -1.66 -0.375 0.62
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index -2.16
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) -1.49 1.117 -1.66
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.24
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 2.89

* Based on an €80/tonne carbon price