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 3.61
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -3.79 -0.375 1.42
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 5.04
Calving Interval (days) -3.50 -1.459 5.11
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 2.90
Gestation Length (days) -3.16 -0.919 2.90
Beef Sub Index -2.37
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 4.03 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index -3.68
Live WT (kg) 12.00 -0.307 -3.68
Total Carbon Sub Index 5.51

* Based on an €80/tonne carbon price