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 0.15
Milk (kg) -84.00 -0.014 1.18
Fat (kg) 4.45 -0.375 -1.67
Prot (kg) -1.45 -0.441 0.64
Fertility Sub Index 5.39
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 0.20
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 10.05

* Based on an €80/tonne carbon price