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 2.24
Milk (kg) -176.00 -0.014 2.46
Fat (kg) 2.74 -0.375 -1.03
Prot (kg) -1.82 -0.441 0.80
Fertility Sub Index 4.15
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index -1.87
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.73 -0.432 -3.77
Maintenance Sub Index Maint. Sub Index 7.20
Live WT (kg) -23.50 -0.307 7.20
Total Carbon Sub Index 12.43

* Based on an €80/tonne carbon price