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 5.79
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -4.05 -0.375 1.52
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 5.50
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 2.30 1.117 2.57
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index 0.97
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 14.66

* Based on an €80/tonne carbon price