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 2.60
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -2.25 -0.375 0.84
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index -0.81
Calving Interval (days) 1.37 -1.459 -2.00
Survival (%) 1.06 1.117 1.18
Calving Sub Index -0.71
Gestation Length (days) 0.77 -0.919 -0.71
Beef Sub Index -1.34
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 7.01 -0.432 -3.03
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 5.51

* Based on an €80/tonne carbon price