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 4.31
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -3.76 -0.375 1.41
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index -1.75
Calving Interval (days) 1.24 -1.459 -1.81
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index -0.05
Carcass Weight (kg) -7.00 -0.528 3.69
Age of Slaughter (days) 8.66 -0.432 -3.74
Maintenance Sub Index Maint. Sub Index 9.04
Live WT (kg) -29.50 -0.307 9.04
Total Carbon Sub Index 12.18

* Based on an €80/tonne carbon price