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 7.05
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -8.94 -0.441 3.95
Fertility Sub Index 12.23
Calving Interval (days) -6.12 -1.459 8.93
Survival (%) 2.95 1.117 3.30
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -1.13
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 22.95

* Based on an €80/tonne carbon price