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 3.19
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.46 -0.375 0.55
Prot (kg) -2.78 -0.441 1.23
Fertility Sub Index 5.15
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) 1.32 1.117 1.47
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.02
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 17.97

* Based on an €80/tonne carbon price