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 8.22
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -7.72 -0.441 3.41
Fertility Sub Index 7.73
Calving Interval (days) -5.26 -1.459 7.67
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index -0.01
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 18.83

* Based on an €80/tonne carbon price