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 2.14
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 3.75
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 0.77 1.117 0.86
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.54
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 4.55 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 4.75

* Based on an €80/tonne carbon price