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 17.20
Milk (kg) -281.00 -0.014 3.93
Fat (kg) -20.91 -0.375 7.83
Prot (kg) -12.31 -0.441 5.43
Fertility Sub Index -3.20
Calving Interval (days) 1.51 -1.459 -2.20
Survival (%) -0.89 1.117 -0.99
Calving Sub Index -2.02
Gestation Length (days) 2.20 -0.919 -2.02
Beef Sub Index -2.57
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) 3.26 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 7.90

* Based on an €80/tonne carbon price