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 2.71
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.58 -0.375 0.59
Prot (kg) -1.59 -0.441 0.70
Fertility Sub Index 4.49
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 1.51 1.117 1.69
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.24
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 18.95

* Based on an €80/tonne carbon price