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 -6.85
Milk (kg) 86.00 -0.014 -1.20
Fat (kg) 7.27 -0.375 -2.72
Prot (kg) 6.63 -0.441 -2.93
Fertility Sub Index 2.03
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.45 1.117 0.50
Calving Sub Index 2.59
Gestation Length (days) -2.82 -0.919 2.59
Beef Sub Index -3.62
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 4.59 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index -7.07

* Based on an €80/tonne carbon price