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 9.18
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -9.32 -0.375 3.49
Prot (kg) -8.23 -0.441 3.63
Fertility Sub Index -0.04
Calving Interval (days) 0.68 -1.459 -0.99
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index -1.15
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -3.77
Live WT (kg) 12.30 -0.307 -3.77
Total Carbon Sub Index 5.03

* Based on an €80/tonne carbon price