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 3.39
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index 4.20
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -1.80
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.56 -0.432 -3.70
Maintenance Sub Index Maint. Sub Index 7.17
Live WT (kg) -23.40 -0.307 7.17
Total Carbon Sub Index 13.72

* Based on an €80/tonne carbon price