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 2.90
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -1.50 -0.375 0.56
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index -1.56
Calving Interval (days) 1.65 -1.459 -2.41
Survival (%) 0.76 1.117 0.85
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index -0.74
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index 0.12

* Based on an €80/tonne carbon price