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 9.42
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -8.00 -0.375 3.00
Prot (kg) -7.42 -0.441 3.27
Fertility Sub Index 9.92
Calving Interval (days) -5.50 -1.459 8.02
Survival (%) 1.70 1.117 1.90
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -0.50 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 22.49

* Based on an €80/tonne carbon price