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 5.34
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -7.89 -0.375 2.96
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index 1.05
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.18 1.117 0.20
Calving Sub Index 0.14
Gestation Length (days) -0.15 -0.919 0.14
Beef Sub Index -3.62
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index 1.72

* Based on an €80/tonne carbon price