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 7.90
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -8.45 -0.375 3.17
Prot (kg) -6.76 -0.441 2.98
Fertility Sub Index 8.92
Calving Interval (days) -5.46 -1.459 7.97
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.67
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 21.87

* Based on an €80/tonne carbon price