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 6.71
Milk (kg) -254.00 -0.014 3.56
Fat (kg) -5.20 -0.375 1.95
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index 3.48
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 0.48 1.117 0.54
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.59
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 22.10

* Based on an €80/tonne carbon price