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) -55.00 -0.014 0.77
Fat (kg) 0.29 -0.375 -0.11
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index 4.29
Calving Interval (days) -2.65 -1.459 3.87
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index 1.22
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 9.71

* Based on an €80/tonne carbon price