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) -159.00 -0.014 2.23
Fat (kg) -1.74 -0.375 0.65
Prot (kg) -3.89 -0.441 1.72
Fertility Sub Index 4.38
Calving Interval (days) -2.03 -1.459 2.96
Survival (%) 1.27 1.117 1.42
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.26
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 19.54

* Based on an €80/tonne carbon price