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 7.29
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -10.33 -0.375 3.87
Prot (kg) -4.95 -0.441 2.18
Fertility Sub Index -6.45
Calving Interval (days) 3.08 -1.459 -4.49
Survival (%) -1.75 1.117 -1.96
Calving Sub Index -1.80
Gestation Length (days) 1.96 -0.919 -1.80
Beef Sub Index -3.80
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 5.25 -0.432 -2.27
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index -3.66

* Based on an €80/tonne carbon price