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 0.89
Milk (kg) -144.00 -0.014 2.02
Fat (kg) 3.53 -0.375 -1.32
Prot (kg) -0.45 -0.441 0.20
Fertility Sub Index 6.02
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 0.70 1.117 0.78
Calving Sub Index 2.52
Gestation Length (days) -2.74 -0.919 2.52
Beef Sub Index -4.95
Carcass Weight (kg) 4.60 -0.528 -2.43
Age of Slaughter (days) 5.85 -0.432 -2.53
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index 2.33

* Based on an €80/tonne carbon price