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 27.12
Milk (kg) -622.00 -0.014 8.71
Fat (kg) -21.47 -0.375 8.04
Prot (kg) -23.50 -0.441 10.37
Fertility Sub Index 2.25
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -0.07
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 30.70

* Based on an €80/tonne carbon price