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 5.27
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -9.65 -0.375 3.61
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 4.27
Calving Interval (days) -2.35 -1.459 3.43
Survival (%) 0.75 1.117 0.84
Calving Sub Index -2.27
Gestation Length (days) 2.47 -0.919 -2.27
Beef Sub Index -2.32
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index -2.12
Live WT (kg) 6.90 -0.307 -2.12
Total Carbon Sub Index 2.83

* Based on an €80/tonne carbon price