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 1.61
Milk (kg) 72.00 -0.014 -1.01
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index -0.17
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) 1.36 1.117 1.52
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index -1.12
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 3.56

* Based on an €80/tonne carbon price