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 4.27
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -3.80 -0.441 1.68
Fertility Sub Index 0.48
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.39 1.117 0.44
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.50
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 14.91

* Based on an €80/tonne carbon price