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 13.31
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -12.65 -0.375 4.74
Prot (kg) -11.21 -0.441 4.95
Fertility Sub Index 5.32
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.80
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 22.36

* Based on an €80/tonne carbon price