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 7.18
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.75 -0.375 2.15
Prot (kg) -6.35 -0.441 2.80
Fertility Sub Index 7.80
Calving Interval (days) -3.66 -1.459 5.34
Survival (%) 2.20 1.117 2.46
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.92
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.42 -0.432 0.18
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 26.80

* Based on an €80/tonne carbon price