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 17.82
Milk (kg) -403.00 -0.014 5.64
Fat (kg) -15.65 -0.375 5.86
Prot (kg) -14.31 -0.441 6.32
Fertility Sub Index 9.70
Calving Interval (days) -4.80 -1.459 7.00
Survival (%) 2.41 1.117 2.69
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.71
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 30.77

* Based on an €80/tonne carbon price