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 2.00
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -1.59 -0.441 0.70
Fertility Sub Index 0.58
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) 0.31 1.117 0.35
Calving Sub Index -2.66
Gestation Length (days) 2.89 -0.919 -2.66
Beef Sub Index -1.72
Carcass Weight (kg) 6.90 -0.528 -3.64
Age of Slaughter (days) -4.45 -0.432 1.92
Maintenance Sub Index Maint. Sub Index -3.95
Live WT (kg) 12.90 -0.307 -3.95
Total Carbon Sub Index -5.75

* Based on an €80/tonne carbon price