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 18.13
Milk (kg) -378.00 -0.014 5.29
Fat (kg) -19.08 -0.375 7.15
Prot (kg) -12.90 -0.441 5.69
Fertility Sub Index 3.39
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 1.06 1.117 1.18
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.52
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 21.36

* Based on an €80/tonne carbon price