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 12.90
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -13.35 -0.375 5.00
Prot (kg) -12.42 -0.441 5.48
Fertility Sub Index 2.49
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.77 1.117 0.86
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index 1.48
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 19.92

* Based on an €80/tonne carbon price