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 3.04
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -1.68 -0.375 0.63
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 0.95
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.39
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 4.21

* Based on an €80/tonne carbon price