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 2.27
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -0.81 -0.375 0.30
Prot (kg) -2.61 -0.441 1.15
Fertility Sub Index -3.08
Calving Interval (days) 1.55 -1.459 -2.26
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.79
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 1.82

* Based on an €80/tonne carbon price