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 3.10
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -4.01 -0.375 1.50
Prot (kg) 0.24 -0.441 -0.11
Fertility Sub Index 6.82
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 1.61 1.117 1.80
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.12
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.31 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 19.87

* Based on an €80/tonne carbon price