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 9.29
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -10.40 -0.375 3.90
Prot (kg) -10.19 -0.441 4.50
Fertility Sub Index 3.01
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 1.13 1.117 1.26
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index -1.71
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 4.46 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index 9.24

* Based on an €80/tonne carbon price