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 6.34
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -5.70 -0.375 2.13
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 1.30
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) 1.01 1.117 1.13
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 1.71
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 9.93

* Based on an €80/tonne carbon price