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 -2.77
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 5.96 -0.375 -2.23
Prot (kg) 2.23 -0.441 -0.98
Fertility Sub Index 7.86
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 2.03 1.117 2.27
Calving Sub Index 2.53
Gestation Length (days) -2.75 -0.919 2.53
Beef Sub Index 0.25
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 6.33

* Based on an €80/tonne carbon price