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 5.81
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -6.14 -0.441 2.71
Fertility Sub Index 1.47
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 1.03
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 10.00

* Based on an €80/tonne carbon price