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 3.87
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 3.79
Calving Interval (days) -1.94 -1.459 2.83
Survival (%) 0.86 1.117 0.96
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.93
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 5.18
Live WT (kg) -16.90 -0.307 5.18
Total Carbon Sub Index 17.60

* Based on an €80/tonne carbon price