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 4.47
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -7.18 -0.375 2.69
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index 5.58
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.21 1.117 1.35
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 1.56
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.06 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 16.45

* Based on an €80/tonne carbon price