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 2.72
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -1.97 -0.441 0.87
Fertility Sub Index 3.42
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.57
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 15.80

* Based on an €80/tonne carbon price