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 3.72
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.57 -0.375 0.96
Prot (kg) -1.94 -0.441 0.86
Fertility Sub Index 3.20
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.24 1.117 0.27
Calving Sub Index 3.10
Gestation Length (days) -3.37 -0.919 3.10
Beef Sub Index -0.54
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 8.35

* Based on an €80/tonne carbon price