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 1.67
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -3.11 -0.375 1.16
Prot (kg) 0.37 -0.441 -0.16
Fertility Sub Index 10.97
Calving Interval (days) -4.92 -1.459 7.18
Survival (%) 3.39 1.117 3.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.50
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 22.03

* Based on an €80/tonne carbon price