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 3.60
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 6.93
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 2.72 1.117 3.04
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.66
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 18.71

* Based on an €80/tonne carbon price