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 2.87
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -1.91 -0.375 0.72
Prot (kg) -1.87 -0.441 0.83
Fertility Sub Index 3.02
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 1.44 1.117 1.61
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.39
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 17.04

* Based on an €80/tonne carbon price