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 4.75
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -7.95 -0.375 2.98
Prot (kg) -2.30 -0.441 1.02
Fertility Sub Index -2.22
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) -1.33 1.117 -1.49
Calving Sub Index -0.23
Gestation Length (days) 0.25 -0.919 -0.23
Beef Sub Index 0.44
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 5.20

* Based on an €80/tonne carbon price