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 2.95
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -3.11 -0.441 1.37
Fertility Sub Index 0.77
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 5.41

* Based on an €80/tonne carbon price