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 4.87
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -4.68 -0.375 1.75
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index 5.25
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 1.08 1.117 1.21
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 0.50
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 13.56

* Based on an €80/tonne carbon price