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 4.63
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -0.39 -0.375 0.15
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 1.62
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.31 1.117 0.35
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.35
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) -2.16 -0.432 0.93
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 16.83

* Based on an €80/tonne carbon price