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 3.35
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) -3.70 -0.375 1.39
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index -1.21
Calving Interval (days) 0.90 -1.459 -1.31
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index -0.90
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 1.32

* Based on an €80/tonne carbon price