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 2.75
Milk (kg) -135.00 -0.014 1.89
Fat (kg) 1.51 -0.375 -0.57
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index 11.50
Calving Interval (days) -5.96 -1.459 8.70
Survival (%) 2.51 1.117 2.80
Calving Sub Index 2.58
Gestation Length (days) -2.81 -0.919 2.58
Beef Sub Index 2.55
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 18.45

* Based on an €80/tonne carbon price