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 2.02
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.44 -0.375 0.16
Prot (kg) -1.89 -0.441 0.83
Fertility Sub Index 1.09
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 4.68

* Based on an €80/tonne carbon price