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 8.64
Milk (kg) -204.00 -0.014 2.86
Fat (kg) -6.96 -0.375 2.61
Prot (kg) -7.19 -0.441 3.17
Fertility Sub Index 7.36
Calving Interval (days) -4.56 -1.459 6.65
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -0.25
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 18.27

* Based on an €80/tonne carbon price