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 5.39
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -9.74 -0.375 3.65
Prot (kg) -1.35 -0.441 0.60
Fertility Sub Index 2.99
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -2.75
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) -0.35 -0.432 0.15
Maintenance Sub Index Maint. Sub Index -4.90
Live WT (kg) 16.00 -0.307 -4.90
Total Carbon Sub Index 0.46

* Based on an €80/tonne carbon price