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 2.60
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -3.21 -0.441 1.42
Fertility Sub Index 6.18
Calving Interval (days) -3.71 -1.459 5.41
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index 3.22
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 0.11 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 17.60

* Based on an €80/tonne carbon price