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 7.11
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -5.78 -0.375 2.16
Prot (kg) -6.31 -0.441 2.78
Fertility Sub Index 6.04
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 1.58 1.117 1.77
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.44
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -2.84 -0.432 1.23
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 24.75

* Based on an €80/tonne carbon price