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 5.22
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -9.31 -0.375 3.49
Prot (kg) -3.04 -0.441 1.34
Fertility Sub Index 2.24
Calving Interval (days) -1.14 -1.459 1.66
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -0.02
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -0.94 -0.432 0.41
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index 7.29

* Based on an €80/tonne carbon price