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 1.12
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -0.23 -0.375 0.09
Prot (kg) -0.88 -0.441 0.39
Fertility Sub Index 5.84
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.65 1.117 1.84
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.27
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.11 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 15.99

* Based on an €80/tonne carbon price