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 20.57
Milk (kg) -329.00 -0.014 4.61
Fat (kg) -22.89 -0.375 8.57
Prot (kg) -16.74 -0.441 7.39
Fertility Sub Index 8.04
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 2.12 1.117 2.37
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.39
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 4.31 -0.432 -1.86
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 27.49

* Based on an €80/tonne carbon price