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 11.95
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -13.94 -0.375 5.22
Prot (kg) -9.54 -0.441 4.21
Fertility Sub Index 9.14
Calving Interval (days) -5.70 -1.459 8.32
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.62
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 23.71

* Based on an €80/tonne carbon price