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 5.02
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -4.27 -0.375 1.60
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index 9.12
Calving Interval (days) -5.23 -1.459 7.63
Survival (%) 1.33 1.117 1.49
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index -0.46
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 15.47

* Based on an €80/tonne carbon price