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 6.98
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -7.48 -0.375 2.80
Prot (kg) -6.07 -0.441 2.68
Fertility Sub Index 1.13
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index 0.50
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index -1.04
Live WT (kg) 3.40 -0.307 -1.04
Total Carbon Sub Index 6.25

* Based on an €80/tonne carbon price