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 6.68
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.50 -0.375 2.06
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index 7.18
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 1.33 1.117 1.49
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.51
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 18.29

* Based on an €80/tonne carbon price