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 2.84
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index -0.99
Calving Interval (days) 0.61 -1.459 -0.89
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 0.21
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 2.18

* Based on an €80/tonne carbon price