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 7.57
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -5.19 -0.375 1.94
Prot (kg) -8.40 -0.441 3.71
Fertility Sub Index 1.06
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.28 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 8.30

* Based on an €80/tonne carbon price