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 6.81
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -5.77 -0.375 2.16
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 5.61
Calving Interval (days) -2.65 -1.459 3.87
Survival (%) 1.56 1.117 1.74
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.06
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 20.96

* Based on an €80/tonne carbon price