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 5.73
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -4.96 -0.375 1.86
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 8.04
Calving Interval (days) -4.92 -1.459 7.18
Survival (%) 0.77 1.117 0.86
Calving Sub Index 1.45
Gestation Length (days) -1.58 -0.919 1.45
Beef Sub Index 4.40
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) -0.66 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 23.72

* Based on an €80/tonne carbon price