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 4.89
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -3.49 -0.375 1.31
Prot (kg) -3.37 -0.441 1.49
Fertility Sub Index 7.17
Calving Interval (days) -3.24 -1.459 4.73
Survival (%) 2.19 1.117 2.45
Calving Sub Index 2.87
Gestation Length (days) -3.12 -0.919 2.87
Beef Sub Index 0.27
Carcass Weight (kg) -2.05 -0.528 1.08
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.72 -0.307 3.59
Total Carbon Sub Index 18.79

* Based on an €80/tonne carbon price