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 6.81
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -6.68 -0.375 2.50
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 4.89
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 1.78 1.117 1.99
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.01
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 20.16

* Based on an €80/tonne carbon price