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 4.75
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -4.15 -0.375 1.55
Prot (kg) -3.37 -0.441 1.49
Fertility Sub Index 6.59
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 1.85 1.117 2.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.69
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.12 -0.432 0.05
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 21.52

* Based on an €80/tonne carbon price