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 7.59
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -7.08 -0.375 2.65
Prot (kg) -8.37 -0.441 3.69
Fertility Sub Index 6.80
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index -0.18
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 17.66

* Based on an €80/tonne carbon price