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 3.31
Milk (kg) 76.00 -0.014 -1.06
Fat (kg) -8.11 -0.375 3.04
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 1.12
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.58
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 3.90 -0.432 -1.68
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 2.07

* Based on an €80/tonne carbon price