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 5.77
Milk (kg) -233.00 -0.014 3.26
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index -0.64
Calving Interval (days) 0.61 -1.459 -0.89
Survival (%) 0.22 1.117 0.25
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.25
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price