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 3.24
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -4.09 -0.375 1.53
Prot (kg) -2.34 -0.441 1.03
Fertility Sub Index 2.72
Calving Interval (days) -1.23 -1.459 1.79
Survival (%) 0.83 1.117 0.93
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -1.45
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 5.32 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 8.56

* Based on an €80/tonne carbon price