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 4.78
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -4.91 -0.441 2.17
Fertility Sub Index -2.56
Calving Interval (days) 1.11 -1.459 -1.62
Survival (%) -0.84 1.117 -0.94
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.79
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) -1.35 -0.432 0.58
Maintenance Sub Index Maint. Sub Index -2.42
Live WT (kg) 7.90 -0.307 -2.42
Total Carbon Sub Index -1.53

* Based on an €80/tonne carbon price