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 11.45
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -12.48 -0.375 4.67
Prot (kg) -8.47 -0.441 3.74
Fertility Sub Index 2.49
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.77 1.117 0.86
Calving Sub Index -0.74
Gestation Length (days) 0.81 -0.919 -0.74
Beef Sub Index 1.67
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.03 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 18.72

* Based on an €80/tonne carbon price