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 1.45
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 4.55
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 1.25 1.117 1.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.01
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 16.10

* Based on an €80/tonne carbon price