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 6.01
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -4.62 -0.375 1.73
Prot (kg) -5.45 -0.441 2.41
Fertility Sub Index 1.52
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.55 1.117 0.61
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.40
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 15.71

* Based on an €80/tonne carbon price