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 2.08
Milk (kg) 21.00 -0.014 -0.29
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 4.67
Calving Interval (days) -2.96 -1.459 4.32
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -0.67
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 8.56

* Based on an €80/tonne carbon price