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 2.96
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index 3.74
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.83 1.117 0.93
Calving Sub Index -1.92
Gestation Length (days) 2.09 -0.919 -1.92
Beef Sub Index -1.78
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) -1.13 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 7.24

* Based on an €80/tonne carbon price