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 2.01
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -2.20 -0.375 0.82
Prot (kg) 0.81 -0.441 -0.36
Fertility Sub Index -1.09
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index -0.12
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 1.81

* Based on an €80/tonne carbon price