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 4.71
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) -8.30 -0.375 3.11
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index -1.65
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) -0.63 1.117 -0.70
Calving Sub Index -1.88
Gestation Length (days) 2.05 -0.919 -1.88
Beef Sub Index -2.75
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) -1.82 -0.432 0.79
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index -2.89

* Based on an €80/tonne carbon price