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 7.05
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -6.60 -0.441 2.91
Fertility Sub Index 7.72
Calving Interval (days) -4.35 -1.459 6.35
Survival (%) 1.23 1.117 1.37
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 1.59
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 20.08

* Based on an €80/tonne carbon price