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 4.08
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 0.12
Calving Interval (days) 0.47 -1.459 -0.69
Survival (%) 0.72 1.117 0.80
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index -2.76
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 5.17 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 4.90

* Based on an €80/tonne carbon price