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 4.59
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -4.68 -0.375 1.75
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index 5.80
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 1.82 1.117 2.03
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.25
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.60 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 18.71

* Based on an €80/tonne carbon price