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 8.24
Milk (kg) -445.00 -0.014 6.23
Fat (kg) 2.05 -0.375 -0.77
Prot (kg) -6.30 -0.441 2.78
Fertility Sub Index 3.33
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 1.52 1.117 1.70
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 2.34
Carcass Weight (kg) -11.40 -0.528 6.01
Age of Slaughter (days) 8.52 -0.432 -3.68
Maintenance Sub Index Maint. Sub Index 11.80
Live WT (kg) -38.50 -0.307 11.80
Total Carbon Sub Index 26.49

* Based on an €80/tonne carbon price