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 9.96
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -8.27 -0.375 3.10
Prot (kg) -10.88 -0.441 4.80
Fertility Sub Index 9.33
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 2.15 1.117 2.40
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 1.74
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 22.88

* Based on an €80/tonne carbon price