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 4.64
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -2.44 -0.375 0.91
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 4.23
Calving Interval (days) -1.95 -1.459 2.85
Survival (%) 1.24 1.117 1.39
Calving Sub Index 0.10
Gestation Length (days) -0.11 -0.919 0.10
Beef Sub Index 4.44
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) -2.22 -0.432 0.96
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 15.80

* Based on an €80/tonne carbon price