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 5.28
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -7.39 -0.375 2.77
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index -0.29
Calving Interval (days) 1.40 -1.459 -2.04
Survival (%) 1.57 1.117 1.75
Calving Sub Index -0.52
Gestation Length (days) 0.57 -0.919 -0.52
Beef Sub Index -1.03
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 6.51

* Based on an €80/tonne carbon price