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 3.71
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 5.73
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 1.52 1.117 1.70
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.10
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.89 -0.432 -1.68
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 18.99

* Based on an €80/tonne carbon price