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 1.92
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -1.10 -0.375 0.41
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index 4.20
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 1.63 1.117 1.82
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.70
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 8.70 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 7.39
Live WT (kg) -24.10 -0.307 7.39
Total Carbon Sub Index 12.54

* Based on an €80/tonne carbon price