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 20.50
Milk (kg) -493.00 -0.014 6.90
Fat (kg) -17.29 -0.375 6.48
Prot (kg) -16.14 -0.441 7.12
Fertility Sub Index 5.93
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 1.82 1.117 2.03
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -3.12
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 8.81 -0.432 -3.80
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 27.90

* Based on an €80/tonne carbon price