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 4.22
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -0.07 -0.375 0.03
Prot (kg) -4.02 -0.441 1.77
Fertility Sub Index -0.10
Calving Interval (days) 0.62 -1.459 -0.90
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index -0.19
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 7.26

* Based on an €80/tonne carbon price