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 4.64
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -7.60 -0.375 2.85
Prot (kg) -0.89 -0.441 0.39
Fertility Sub Index 3.40
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.56
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.90 -0.432 0.82
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 21.19

* Based on an €80/tonne carbon price