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 3.18
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -4.34 -0.375 1.63
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index -3.85
Calving Interval (days) 1.76 -1.459 -2.57
Survival (%) -1.15 1.117 -1.28
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 0.59
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index -0.49
Live WT (kg) 1.60 -0.307 -0.49
Total Carbon Sub Index -0.62

* Based on an €80/tonne carbon price