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 4.28
Milk (kg) -157.00 -0.014 2.20
Fat (kg) 4.28 -0.375 -1.60
Prot (kg) -8.35 -0.441 3.69
Fertility Sub Index -0.36
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) -1.58 1.117 -1.77
Calving Sub Index -1.02
Gestation Length (days) 1.11 -0.919 -1.02
Beef Sub Index 1.17
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 4.49 -0.432 -1.94
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 9.89

* Based on an €80/tonne carbon price