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 2.81
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -2.48 -0.375 0.93
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index -0.86
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.36
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 3.90

* Based on an €80/tonne carbon price