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 2.73
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -2.50 -0.441 1.10
Fertility Sub Index 1.92
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) 0.56 1.117 0.63
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.00
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.03 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 14.44

* Based on an €80/tonne carbon price