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 5.10
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 7.17
Calving Interval (days) -3.39 -1.459 4.95
Survival (%) 1.99 1.117 2.22
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.88
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 23.83

* Based on an €80/tonne carbon price