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 1.47
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -0.59 -0.375 0.22
Prot (kg) -1.35 -0.441 0.60
Fertility Sub Index 2.80
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) 0.91 1.117 1.02
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.36
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 15.04

* Based on an €80/tonne carbon price