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 15.23
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -15.73 -0.375 5.89
Prot (kg) -12.95 -0.441 5.72
Fertility Sub Index -2.70
Calving Interval (days) 1.97 -1.459 -2.87
Survival (%) 0.16 1.117 0.18
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index -1.21
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 11.93

* Based on an €80/tonne carbon price