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 5.82
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -5.36 -0.375 2.01
Prot (kg) -5.09 -0.441 2.25
Fertility Sub Index 5.55
Calving Interval (days) -3.27 -1.459 4.77
Survival (%) 0.70 1.117 0.78
Calving Sub Index 1.41
Gestation Length (days) -1.53 -0.919 1.41
Beef Sub Index 0.22
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 15.27

* Based on an €80/tonne carbon price