Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.24
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -3.89 -0.375 1.46
Prot (kg) -3.48 -0.441 1.54
Fertility Sub Index 2.73
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 1.52 1.117 1.70
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index 1.65
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.90 -0.432 0.39
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 11.19

* Based on an €80/tonne carbon price