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 6.12
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -5.19 -0.375 1.94
Prot (kg) -6.63 -0.441 2.93
Fertility Sub Index 8.01
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 2.05 1.117 2.29
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index 1.66
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 19.46

* Based on an €80/tonne carbon price