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 2.34
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -0.20 -0.375 0.07
Prot (kg) -1.92 -0.441 0.85
Fertility Sub Index 7.94
Calving Interval (days) -3.73 -1.459 5.44
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.31
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 22.55

* Based on an €80/tonne carbon price