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 15.44
Milk (kg) -333.00 -0.014 4.66
Fat (kg) -12.83 -0.375 4.81
Prot (kg) -13.53 -0.441 5.97
Fertility Sub Index 5.56
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 0.12
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 24.99

* Based on an €80/tonne carbon price