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 4.70
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -2.77 -0.441 1.22
Fertility Sub Index 5.65
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 0.82
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 14.56

* Based on an €80/tonne carbon price