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 4.87
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -4.48 -0.375 1.68
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 21.39
Calving Interval (days) -13.21 -1.459 19.27
Survival (%) 1.89 1.117 2.11
Calving Sub Index 3.58
Gestation Length (days) -3.89 -0.919 3.58
Beef Sub Index 3.88
Carcass Weight (kg) -9.00 -0.528 4.75
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 7.66
Live WT (kg) -25.00 -0.307 7.66
Total Carbon Sub Index 41.36

* Based on an €80/tonne carbon price