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 3.31
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -1.31 -0.375 0.49
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 1.13
Calving Interval (days) 0.71 -1.459 -1.04
Survival (%) 1.94 1.117 2.17
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.89
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 10.56

* Based on an €80/tonne carbon price