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 5.52
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -4.41 -0.375 1.65
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index 5.52
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 1.00 1.117 1.12
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index 2.77
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 21.41

* Based on an €80/tonne carbon price