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 4.74
Milk (kg) -273.00 -0.014 3.82
Fat (kg) 2.51 -0.375 -0.94
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 4.95
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 2.00 1.117 2.23
Calving Sub Index 0.99
Gestation Length (days) -1.08 -0.919 0.99
Beef Sub Index 5.21
Carcass Weight (kg) -15.90 -0.528 8.39
Age of Slaughter (days) 7.36 -0.432 -3.18
Maintenance Sub Index Maint. Sub Index 14.68
Live WT (kg) -47.90 -0.307 14.68
Total Carbon Sub Index 30.58

* Based on an €80/tonne carbon price