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 3.40
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 4.02
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index -0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 9.58

* Based on an €80/tonne carbon price