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 5.79
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -9.50 -0.375 3.56
Prot (kg) -3.50 -0.441 1.54
Fertility Sub Index 6.32
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.69 1.117 1.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.38
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 22.10

* Based on an €80/tonne carbon price