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 1.23
Milk (kg) -69.00 -0.014 0.97
Fat (kg) 0.52 -0.375 -0.19
Prot (kg) -1.03 -0.441 0.45
Fertility Sub Index 6.17
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.59 1.117 1.78
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.16
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.79 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 17.45

* Based on an €80/tonne carbon price