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 1.17
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -0.40 -0.375 0.15
Prot (kg) -0.35 -0.441 0.15
Fertility Sub Index 2.18
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.71 1.117 0.79
Calving Sub Index 1.91
Gestation Length (days) -2.08 -0.919 1.91
Beef Sub Index -4.45
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 8.48 -0.432 -3.66
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 1.24

* Based on an €80/tonne carbon price