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 5.75
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -3.94 -0.375 1.48
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 7.01
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 1.57 1.117 1.75
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.66
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 23.18

* Based on an €80/tonne carbon price