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 9.45
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -8.78 -0.375 3.29
Prot (kg) -10.88 -0.441 4.80
Fertility Sub Index 9.91
Calving Interval (days) -5.55 -1.459 8.10
Survival (%) 1.62 1.117 1.81
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index -1.83
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 20.11

* Based on an €80/tonne carbon price