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) -57.00 -0.014 0.80
Fat (kg) 1.06 -0.375 -0.40
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 3.36
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.36
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 8.10

* Based on an €80/tonne carbon price