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 6.55
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -6.33 -0.375 2.37
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index 2.12
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.28 1.117 0.31
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.98
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 16.36

* Based on an €80/tonne carbon price