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 5.80
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -3.31 -0.375 1.24
Prot (kg) -6.05 -0.441 2.67
Fertility Sub Index 5.93
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.20
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 15.98

* Based on an €80/tonne carbon price