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 2.27
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -2.95 -0.375 1.10
Prot (kg) -1.85 -0.441 0.82
Fertility Sub Index -7.18
Calving Interval (days) 3.42 -1.459 -4.99
Survival (%) -1.96 1.117 -2.19
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index -0.10
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index -4.71

* Based on an €80/tonne carbon price