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 3.96
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -2.27 -0.375 0.85
Prot (kg) -3.12 -0.441 1.38
Fertility Sub Index 4.35
Calving Interval (days) -1.74 -1.459 2.54
Survival (%) 1.62 1.117 1.81
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -1.75
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 8.57 -0.432 -3.70
Maintenance Sub Index Maint. Sub Index 7.30
Live WT (kg) -23.80 -0.307 7.30
Total Carbon Sub Index 14.63

* Based on an €80/tonne carbon price