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 7.05
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -5.25 -0.375 1.97
Prot (kg) -8.60 -0.441 3.80
Fertility Sub Index -5.82
Calving Interval (days) 2.82 -1.459 -4.11
Survival (%) -1.53 1.117 -1.71
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.37
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 1.74

* Based on an €80/tonne carbon price