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 1.44
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -1.90 -0.375 0.71
Prot (kg) -0.61 -0.441 0.27
Fertility Sub Index -0.58
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) 1.18 1.117 1.32
Calving Sub Index -0.72
Gestation Length (days) 0.78 -0.919 -0.72
Beef Sub Index -1.96
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 7.10 -0.432 -3.07
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 3.89

* Based on an €80/tonne carbon price