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 6.22
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -5.55 -0.375 2.08
Prot (kg) -5.87 -0.441 2.59
Fertility Sub Index -4.12
Calving Interval (days) 1.93 -1.459 -2.82
Survival (%) -1.17 1.117 -1.31
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.55
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 4.09

* Based on an €80/tonne carbon price