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 -2.12
Milk (kg) -26.00 -0.014 0.36
Fat (kg) 8.86 -0.375 -3.32
Prot (kg) -1.89 -0.441 0.83
Fertility Sub Index -2.82
Calving Interval (days) 1.35 -1.459 -1.97
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 3.20
Gestation Length (days) -3.48 -0.919 3.20
Beef Sub Index -2.81
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) -2.29 -0.432 0.99
Maintenance Sub Index Maint. Sub Index -2.73
Live WT (kg) 8.90 -0.307 -2.73
Total Carbon Sub Index -7.27

* Based on an €80/tonne carbon price