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 2.53
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index -0.10
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.02
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 3.95

* Based on an €80/tonne carbon price