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 2.11
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -1.96 -0.375 0.73
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index -4.48
Calving Interval (days) 2.21 -1.459 -3.22
Survival (%) -1.12 1.117 -1.25
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.31
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -1.72

* Based on an €80/tonne carbon price