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 2.80
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -5.24 -0.375 1.96
Prot (kg) 1.37 -0.441 -0.60
Fertility Sub Index 4.76
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 1.58 1.117 1.77
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index -2.39
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 5.79 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 8.93

* Based on an €80/tonne carbon price