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 8.15
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -8.20 -0.375 3.07
Prot (kg) -7.32 -0.441 3.23
Fertility Sub Index 2.92
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.25
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.32 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 11.29

* Based on an €80/tonne carbon price