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 3.02
Milk (kg) -166.00 -0.014 2.32
Fat (kg) 1.57 -0.375 -0.59
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 3.57
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 1.82 1.117 2.03
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 11.04
Carcass Weight (kg) -28.20 -0.528 14.88
Age of Slaughter (days) 8.88 -0.432 -3.83
Maintenance Sub Index Maint. Sub Index 22.44
Live WT (kg) -73.20 -0.307 22.44
Total Carbon Sub Index 40.73

* Based on an €80/tonne carbon price