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) -18.00 -0.014 0.25
Fat (kg) -1.31 -0.375 0.49
Prot (kg) -1.03 -0.441 0.45
Fertility Sub Index 2.84
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 5.80

* Based on an €80/tonne carbon price