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 -3.28
Milk (kg) 54.00 -0.014 -0.76
Fat (kg) 1.74 -0.375 -0.65
Prot (kg) 4.25 -0.441 -1.88
Fertility Sub Index -0.96
Calving Interval (days) 0.52 -1.459 -0.76
Survival (%) -0.18 1.117 -0.20
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.01
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 4.50 -0.432 -1.94
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index -3.50

* Based on an €80/tonne carbon price