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 18.65
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -21.93 -0.375 8.21
Prot (kg) -18.03 -0.441 7.96
Fertility Sub Index 3.08
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.39
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 25.77

* Based on an €80/tonne carbon price