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 5.91
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -5.39 -0.375 2.02
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 6.85
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 1.61 1.117 1.80
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.73
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 20.72

* Based on an €80/tonne carbon price