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 1.98
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.33 -0.375 0.50
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 3.71
Calving Interval (days) -1.91 -1.459 2.79
Survival (%) 0.83 1.117 0.93
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index 0.72
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 12.77

* Based on an €80/tonne carbon price