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 4.89
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -7.81 -0.375 2.93
Prot (kg) -0.87 -0.441 0.38
Fertility Sub Index 7.29
Calving Interval (days) -3.39 -1.459 4.95
Survival (%) 2.10 1.117 2.35
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.28
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.99 -0.432 0.86
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 24.12

* Based on an €80/tonne carbon price