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 4.88
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 8.70
Calving Interval (days) -4.85 -1.459 7.08
Survival (%) 1.45 1.117 1.62
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.02
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 25.33

* Based on an €80/tonne carbon price