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 1.61
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -0.77 -0.375 0.29
Prot (kg) -1.18 -0.441 0.52
Fertility Sub Index 1.44
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.64 1.117 0.72
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.13
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.62 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 13.04

* Based on an €80/tonne carbon price