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 0.30
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 1.53 -0.375 -0.57
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 4.32
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) 1.03 1.117 1.15
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.55
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 13.87

* Based on an €80/tonne carbon price