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 2.99
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -1.56 -0.441 0.69
Fertility Sub Index 4.02
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 0.84 1.117 0.94
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.60
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 16.37

* Based on an €80/tonne carbon price