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 4.61
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index 2.84
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 1.37 1.117 1.53
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.91
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 18.41

* Based on an €80/tonne carbon price