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 5.08
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -3.32 -0.375 1.24
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index 3.54
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) 0.83 1.117 0.93
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.75
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 18.15

* Based on an €80/tonne carbon price