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 21.05
Milk (kg) -301.00 -0.014 4.21
Fat (kg) -23.90 -0.375 8.95
Prot (kg) -17.87 -0.441 7.89
Fertility Sub Index 3.44
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 2.01
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 31.86

* Based on an €80/tonne carbon price