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 3.94
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -2.82 -0.375 1.06
Prot (kg) -2.35 -0.441 1.04
Fertility Sub Index 2.61
Calving Interval (days) -1.74 -1.459 2.54
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.89
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -0.23 -0.432 0.10
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 9.21

* Based on an €80/tonne carbon price