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 17.05
Milk (kg) -858.00 -0.014 12.01
Fat (kg) 2.20 -0.375 -0.82
Prot (kg) -13.29 -0.441 5.87
Fertility Sub Index 4.81
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 0.39 1.117 0.44
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 0.02
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) 7.90 -0.432 -3.41
Maintenance Sub Index Maint. Sub Index 8.25
Live WT (kg) -26.90 -0.307 8.25
Total Carbon Sub Index 31.32

* Based on an €80/tonne carbon price