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 3.96
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index 1.58
Calving Interval (days) -0.78 -1.459 1.14
Survival (%) 0.40 1.117 0.45
Calving Sub Index -1.43
Gestation Length (days) 1.56 -0.919 -1.43
Beef Sub Index -3.34
Carcass Weight (kg) 7.00 -0.528 -3.69
Age of Slaughter (days) -0.82 -0.432 0.35
Maintenance Sub Index Maint. Sub Index -1.81
Live WT (kg) 5.90 -0.307 -1.81
Total Carbon Sub Index -1.03

* Based on an €80/tonne carbon price