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 8.37
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -6.80 -0.375 2.55
Prot (kg) -8.63 -0.441 3.81
Fertility Sub Index 9.42
Calving Interval (days) -5.56 -1.459 8.11
Survival (%) 1.17 1.117 1.31
Calving Sub Index -0.85
Gestation Length (days) 0.92 -0.919 -0.85
Beef Sub Index 0.60
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 20.24

* Based on an €80/tonne carbon price