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 18.35
Milk (kg) -477.00 -0.014 6.68
Fat (kg) -15.37 -0.375 5.76
Prot (kg) -13.41 -0.441 5.92
Fertility Sub Index 2.58
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index -3.55
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 3.46 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 17.77

* Based on an €80/tonne carbon price