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 0.56
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 4.12 -0.375 -1.54
Prot (kg) -0.35 -0.441 0.15
Fertility Sub Index 4.25
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.73
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price