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 15.52
Milk (kg) -335.00 -0.014 4.69
Fat (kg) -16.44 -0.375 6.16
Prot (kg) -10.59 -0.441 4.67
Fertility Sub Index 5.45
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 0.32 1.117 0.36
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 0.32
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 23.54

* Based on an €80/tonne carbon price