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 9.40
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -5.31 -0.375 1.99
Prot (kg) -8.58 -0.441 3.79
Fertility Sub Index 4.32
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.26
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 20.07

* Based on an €80/tonne carbon price