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 21.51
Milk (kg) -513.00 -0.014 7.18
Fat (kg) -22.33 -0.375 8.36
Prot (kg) -13.51 -0.441 5.96
Fertility Sub Index 5.84
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.58 1.117 1.77
Calving Sub Index 1.67
Gestation Length (days) -1.82 -0.919 1.67
Beef Sub Index 2.43
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -3.31 -0.432 1.43
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 37.39

* Based on an €80/tonne carbon price