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 0.50
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -0.52 -0.441 0.23
Fertility Sub Index 6.31
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 0.02
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 8.92

* Based on an €80/tonne carbon price