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 3.40
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.25 -0.375 0.84
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 2.95
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 1.37 1.117 1.53
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.84
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 14.96

* Based on an €80/tonne carbon price