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 20.17
Milk (kg) -390.00 -0.014 5.46
Fat (kg) -19.89 -0.375 7.45
Prot (kg) -16.45 -0.441 7.26
Fertility Sub Index 9.23
Calving Interval (days) -5.73 -1.459 8.36
Survival (%) 0.78 1.117 0.87
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.97
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 34.94

* Based on an €80/tonne carbon price