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 1.20
Milk (kg) 97.00 -0.014 -1.36
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index -0.03
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 0.56
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 4.20 -0.432 -1.81
Maintenance Sub Index Maint. Sub Index -1.72
Live WT (kg) 5.60 -0.307 -1.72
Total Carbon Sub Index -0.27

* Based on an €80/tonne carbon price