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 4.40
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -3.65 -0.375 1.37
Prot (kg) -3.99 -0.441 1.76
Fertility Sub Index 1.86
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.81
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 0.71
Live WT (kg) -2.30 -0.307 0.71
Total Carbon Sub Index 5.70

* Based on an €80/tonne carbon price