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 -5.32
Milk (kg) 37.00 -0.014 -0.52
Fat (kg) 10.82 -0.375 -4.05
Prot (kg) 1.70 -0.441 -0.75
Fertility Sub Index 4.02
Calving Interval (days) -2.03 -1.459 2.96
Survival (%) 0.95 1.117 1.06
Calving Sub Index 1.92
Gestation Length (days) -2.09 -0.919 1.92
Beef Sub Index 2.58
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.74

* Based on an €80/tonne carbon price