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 -2.30
Milk (kg) 47.00 -0.014 -0.66
Fat (kg) 4.70 -0.375 -1.76
Prot (kg) -0.26 -0.441 0.11
Fertility Sub Index -6.85
Calving Interval (days) 4.06 -1.459 -5.92
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 1.50
Gestation Length (days) -1.63 -0.919 1.50
Beef Sub Index 0.41
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -6.33

* Based on an €80/tonne carbon price