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 8.18
Milk (kg) -268.00 -0.014 3.75
Fat (kg) -6.06 -0.375 2.27
Prot (kg) -4.89 -0.441 2.16
Fertility Sub Index 8.77
Calving Interval (days) -5.70 -1.459 8.32
Survival (%) 0.41 1.117 0.46
Calving Sub Index 2.41
Gestation Length (days) -2.62 -0.919 2.41
Beef Sub Index -0.87
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 0.07 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 19.66

* Based on an €80/tonne carbon price