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 4.29
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -8.14 -0.375 3.05
Prot (kg) -0.22 -0.441 0.10
Fertility Sub Index 7.25
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 2.10 1.117 2.35
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.83
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -2.03 -0.432 0.88
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 24.65

* Based on an €80/tonne carbon price