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 4.12
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -4.87 -0.375 1.82
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index 1.96
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 0.02 1.117 0.02
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.26
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 13.54

* Based on an €80/tonne carbon price