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 2.94
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -0.17 -0.375 0.06
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 6.72
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 1.63 1.117 1.82
Calving Sub Index 1.71
Gestation Length (days) -1.86 -0.919 1.71
Beef Sub Index 0.44
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 16.05

* Based on an €80/tonne carbon price