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 8.86
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -5.03 -0.375 1.88
Prot (kg) -10.39 -0.441 4.59
Fertility Sub Index 2.11
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 0.83
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.28 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 17.58

* Based on an €80/tonne carbon price