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 3.04
Milk (kg) -131.00 -0.014 1.83
Fat (kg) 0.17 -0.375 -0.06
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 3.83
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 2.02
Carcass Weight (kg) -10.80 -0.528 5.70
Age of Slaughter (days) 8.52 -0.432 -3.68
Maintenance Sub Index Maint. Sub Index 11.59
Live WT (kg) -37.80 -0.307 11.59
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price