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 3.42
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 0.38
Calving Interval (days) 0.94 -1.459 -1.37
Survival (%) 1.57 1.117 1.75
Calving Sub Index -0.70
Gestation Length (days) 0.76 -0.919 -0.70
Beef Sub Index -1.61
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 7.39 -0.432 -3.19
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 7.27

* Based on an €80/tonne carbon price