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 2.26
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index -0.04
Calving Interval (days) -0.07 -1.459 0.10
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 0.95
Carcass Weight (kg) -1.85 -0.528 0.98
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 4.74

* Based on an €80/tonne carbon price