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 3.95
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.28 -0.375 0.85
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 5.64
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.52 1.117 1.70
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.85
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 18.84

* Based on an €80/tonne carbon price