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 4.43
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -5.32 -0.375 1.99
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index 5.94
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.53 1.117 1.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.92
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 20.68

* Based on an €80/tonne carbon price