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 8.17
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -8.65 -0.375 3.24
Prot (kg) -8.21 -0.441 3.62
Fertility Sub Index 1.55
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.41
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 11.18

* Based on an €80/tonne carbon price