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 6.47
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -7.27 -0.375 2.72
Prot (kg) -6.07 -0.441 2.68
Fertility Sub Index 7.40
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 0.88
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 18.52

* Based on an €80/tonne carbon price