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 2.27
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -2.32 -0.441 1.02
Fertility Sub Index 2.31
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.28 1.117 0.31
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index -0.18
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 6.04

* Based on an €80/tonne carbon price