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 2.56
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index 4.96
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 0.76 1.117 0.85
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index 0.75
Carcass Weight (kg) -1.45 -0.528 0.76
Age of Slaughter (days) 0.03 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 10.73

* Based on an €80/tonne carbon price