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 2.77
Milk (kg) -104.00 -0.014 1.46
Fat (kg) 0.37 -0.375 -0.14
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index 6.39
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 1.33 1.117 1.49
Calving Sub Index 1.74
Gestation Length (days) -1.89 -0.919 1.74
Beef Sub Index 3.93
Carcass Weight (kg) -10.30 -0.528 5.43
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 8.15
Live WT (kg) -26.60 -0.307 8.15
Total Carbon Sub Index 22.98

* Based on an €80/tonne carbon price