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 8.37
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -7.96 -0.375 2.98
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 7.23
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) 1.55 1.117 1.73
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.20
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.21 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 24.48

* Based on an €80/tonne carbon price