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 8.91
Milk (kg) -306.00 -0.014 4.28
Fat (kg) -1.85 -0.375 0.69
Prot (kg) -8.91 -0.441 3.93
Fertility Sub Index 2.08
Calving Interval (days) -0.93 -1.459 1.36
Survival (%) 0.65 1.117 0.73
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.18
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 21.70

* Based on an €80/tonne carbon price