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 7.21
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index 1.59
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.38 1.117 0.42
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -3.70
Carcass Weight (kg) 6.20 -0.528 -3.27
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 1.87

* Based on an €80/tonne carbon price