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 2.27
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -2.32 -0.441 1.02
Fertility Sub Index 3.86
Calving Interval (days) -2.24 -1.459 3.27
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 0.75
Carcass Weight (kg) -1.55 -0.528 0.82
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 9.19

* Based on an €80/tonne carbon price