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 12.19
Milk (kg) -258.00 -0.014 3.61
Fat (kg) -10.03 -0.375 3.76
Prot (kg) -10.92 -0.441 4.82
Fertility Sub Index 2.15
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 0.58 1.117 0.65
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.34
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.99 -0.432 0.86
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 25.74

* Based on an €80/tonne carbon price