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 6.12
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -9.02 -0.375 3.38
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index -9.14
Calving Interval (days) 4.60 -1.459 -6.71
Survival (%) -2.17 1.117 -2.42
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.24
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -0.96

* Based on an €80/tonne carbon price