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 3.42
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 6.96
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.21
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 14.51

* Based on an €80/tonne carbon price