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 0.41
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -2.22 -0.375 0.83
Prot (kg) 1.09 -0.441 -0.48
Fertility Sub Index 0.54
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.12 1.117 0.13
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.26
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 10.35

* Based on an €80/tonne carbon price