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 3.29
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 4.57
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 1.06 1.117 1.18
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index -0.39
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.35 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 13.21

* Based on an €80/tonne carbon price