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 1.28
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -1.61 -0.375 0.60
Prot (kg) -0.21 -0.441 0.09
Fertility Sub Index -0.66
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) 1.12 1.117 1.25
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index -1.22
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 7.22 -0.432 -3.12
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price