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 0.77
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -1.99 -0.441 0.88
Fertility Sub Index -6.22
Calving Interval (days) 2.58 -1.459 -3.76
Survival (%) -2.20 1.117 -2.46
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -1.15
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index -6.41

* Based on an €80/tonne carbon price