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 7.22
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -3.78 -0.375 1.42
Prot (kg) -6.27 -0.441 2.77
Fertility Sub Index 3.35
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 1.38 1.117 1.54
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 1.00
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 13.92

* Based on an €80/tonne carbon price