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 1.44
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 1.89
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.99 1.117 1.11
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.35
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 14.32

* Based on an €80/tonne carbon price