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 9.26
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -9.81 -0.375 3.67
Prot (kg) -6.50 -0.441 2.87
Fertility Sub Index 0.16
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) -0.64 1.117 -0.72
Calving Sub Index -2.25
Gestation Length (days) 2.45 -0.919 -2.25
Beef Sub Index -2.66
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 4.75

* Based on an €80/tonne carbon price