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 5.69
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -7.71 -0.375 2.89
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index -2.03
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -2.32
Gestation Length (days) 2.52 -0.919 -2.32
Beef Sub Index -3.77
Carcass Weight (kg) 6.90 -0.528 -3.64
Age of Slaughter (days) 0.29 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index -1.72
Live WT (kg) 5.60 -0.307 -1.72
Total Carbon Sub Index -4.13

* Based on an €80/tonne carbon price