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 2.89
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 0.93 -0.375 -0.35
Prot (kg) -4.42 -0.441 1.95
Fertility Sub Index 4.88
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.25
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 11.05

* Based on an €80/tonne carbon price