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 4.29
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 5.81
Calving Interval (days) -3.38 -1.459 4.93
Survival (%) 0.79 1.117 0.88
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.66
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) -3.48 -0.432 1.50
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 16.73

* Based on an €80/tonne carbon price