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 3.65
Calving Interval (days) -1.95 -1.459 2.85
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index -0.27
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 10.33

* Based on an €80/tonne carbon price