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 1.57
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 1.44 -0.375 -0.54
Prot (kg) -0.36 -0.441 0.16
Fertility Sub Index 3.50
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 1.71 1.117 1.91
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 11.91
Carcass Weight (kg) -30.00 -0.528 15.83
Age of Slaughter (days) 9.08 -0.432 -3.92
Maintenance Sub Index Maint. Sub Index 22.90
Live WT (kg) -74.70 -0.307 22.90
Total Carbon Sub Index 40.92

* Based on an €80/tonne carbon price