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 3.74
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -6.79 -0.375 2.54
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index 1.20
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 6.57

* Based on an €80/tonne carbon price