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 2.57
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -1.76 -0.375 0.66
Prot (kg) -1.85 -0.441 0.82
Fertility Sub Index 1.11
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) 1.48 1.117 1.65
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index -0.09
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.76 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 10.52

* Based on an €80/tonne carbon price