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 7.26
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -7.78 -0.375 2.91
Prot (kg) -4.96 -0.441 2.19
Fertility Sub Index 3.93
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 1.68 1.117 1.88
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -2.61
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 8.20

* Based on an €80/tonne carbon price