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 0.96
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -1.07 -0.375 0.40
Prot (kg) -0.54 -0.441 0.24
Fertility Sub Index -0.50
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.65
Gestation Length (days) 0.71 -0.919 -0.65
Beef Sub Index -1.72
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 7.17 -0.432 -3.10
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 4.03

* Based on an €80/tonne carbon price