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 4.93
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 2.60
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -0.01
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 12.96

* Based on an €80/tonne carbon price