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 4.59
Milk (kg) -465.00 -0.014 6.51
Fat (kg) 8.53 -0.375 -3.19
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 5.18
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) 1.79 1.117 2.00
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 16.17
Carcass Weight (kg) -38.10 -0.528 20.10
Age of Slaughter (days) 9.11 -0.432 -3.93
Maintenance Sub Index Maint. Sub Index 28.79
Live WT (kg) -93.90 -0.307 28.79
Total Carbon Sub Index 55.12

* Based on an €80/tonne carbon price