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 3.86
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -3.10 -0.375 1.16
Prot (kg) -1.96 -0.441 0.87
Fertility Sub Index 5.31
Calving Interval (days) -3.18 -1.459 4.64
Survival (%) 0.60 1.117 0.67
Calving Sub Index 2.30
Gestation Length (days) -2.50 -0.919 2.30
Beef Sub Index 2.10
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index 10.82

* Based on an €80/tonne carbon price