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 5.26
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -8.50 -0.375 3.18
Prot (kg) 0.56 -0.441 -0.25
Fertility Sub Index 1.50
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) 1.76 1.117 1.97
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 0.04
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 9.46

* Based on an €80/tonne carbon price