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 1.70
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -1.45 -0.441 0.64
Fertility Sub Index 4.47
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) 1.66 1.117 1.85
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index -1.12
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 7.86 -0.432 -3.39
Maintenance Sub Index Maint. Sub Index 7.51
Live WT (kg) -24.50 -0.307 7.51
Total Carbon Sub Index 13.35

* Based on an €80/tonne carbon price