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 4.09
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index -3.49
Calving Interval (days) 1.18 -1.459 -1.72
Survival (%) -1.58 1.117 -1.77
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.12
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 2.20

* Based on an €80/tonne carbon price