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 6.77
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -8.07 -0.375 3.02
Prot (kg) -6.14 -0.441 2.71
Fertility Sub Index 6.48
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.25
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 17.02

* Based on an €80/tonne carbon price