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 7.61
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -8.70 -0.375 3.26
Prot (kg) -6.90 -0.441 3.05
Fertility Sub Index 8.28
Calving Interval (days) -5.05 -1.459 7.37
Survival (%) 0.82 1.117 0.92
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index -0.82
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 5.32 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 18.79

* Based on an €80/tonne carbon price