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 17.75
Milk (kg) -348.00 -0.014 4.87
Fat (kg) -18.74 -0.375 7.02
Prot (kg) -13.27 -0.441 5.86
Fertility Sub Index 5.91
Calving Interval (days) -4.55 -1.459 6.64
Survival (%) -0.65 1.117 -0.73
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -3.64
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) 4.16 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 18.95

* Based on an €80/tonne carbon price