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 3.65
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -0.64 -0.375 0.24
Prot (kg) -3.32 -0.441 1.47
Fertility Sub Index 6.24
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 1.29 1.117 1.44
Calving Sub Index 0.10
Gestation Length (days) -0.11 -0.919 0.10
Beef Sub Index -0.70
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 11.20

* Based on an €80/tonne carbon price