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 9.29
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -8.92 -0.375 3.34
Prot (kg) -8.65 -0.441 3.82
Fertility Sub Index 0.05
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 0.12 1.117 0.13
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -3.02
Carcass Weight (kg) 10.50 -0.528 -5.54
Age of Slaughter (days) -5.83 -0.432 2.52
Maintenance Sub Index Maint. Sub Index -7.85
Live WT (kg) 25.60 -0.307 -7.85
Total Carbon Sub Index -3.04

* Based on an €80/tonne carbon price