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 4.35
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -6.97 -0.375 2.61
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 4.95
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 0.76 1.117 0.85
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index 0.55
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 14.05

* Based on an €80/tonne carbon price