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 0.54
Milk (kg) -74.00 -0.014 1.04
Fat (kg) 1.83 -0.375 -0.69
Prot (kg) -0.42 -0.441 0.19
Fertility Sub Index 6.86
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 1.82 1.117 2.03
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.74
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.92 -0.432 1.26
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 20.35

* Based on an €80/tonne carbon price