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 6.55
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -6.79 -0.441 3.00
Fertility Sub Index 3.18
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 0.69 1.117 0.77
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 0.39
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 10.92

* Based on an €80/tonne carbon price