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 4.31
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index 6.26
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 1.66 1.117 1.85
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.33
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 20.34

* Based on an €80/tonne carbon price