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 6.48
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -5.95 -0.375 2.23
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 6.25
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.42
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 17.02

* Based on an €80/tonne carbon price