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 7.39
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -8.39 -0.375 3.14
Prot (kg) -5.06 -0.441 2.23
Fertility Sub Index 0.05
Calving Interval (days) 0.61 -1.459 -0.89
Survival (%) 0.84 1.117 0.94
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.27
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 17.24

* Based on an €80/tonne carbon price