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 15.44
Milk (kg) -271.00 -0.014 3.79
Fat (kg) -17.04 -0.375 6.38
Prot (kg) -11.93 -0.441 5.27
Fertility Sub Index 0.40
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) 0.28 1.117 0.31
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.88
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 26.32

* Based on an €80/tonne carbon price