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 5.02
Milk (kg) -163.00 -0.014 2.28
Fat (kg) 0.40 -0.375 -0.15
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index 0.54
Calving Interval (days) 0.97 -1.459 -1.42
Survival (%) 1.75 1.117 1.96
Calving Sub Index 1.63
Gestation Length (days) -1.77 -0.919 1.63
Beef Sub Index -1.01
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 8.29

* Based on an €80/tonne carbon price