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 2.11
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -3.37 -0.375 1.26
Prot (kg) 0.83 -0.441 -0.37
Fertility Sub Index -0.63
Calving Interval (days) 0.22 -1.459 -0.32
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -2.23
Gestation Length (days) 2.43 -0.919 -2.23
Beef Sub Index -5.43
Carcass Weight (kg) 12.00 -0.528 -6.33
Age of Slaughter (days) -2.09 -0.432 0.90
Maintenance Sub Index Maint. Sub Index -7.69
Live WT (kg) 25.10 -0.307 -7.69
Total Carbon Sub Index -13.87

* Based on an €80/tonne carbon price