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 4.32
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -1.81 -0.375 0.68
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index 4.17
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index -1.98
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 8.49 -0.432 -3.67
Maintenance Sub Index Maint. Sub Index 6.96
Live WT (kg) -22.70 -0.307 6.96
Total Carbon Sub Index 14.21

* Based on an €80/tonne carbon price