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 25.57
Milk (kg) -508.00 -0.014 7.11
Fat (kg) -27.62 -0.375 10.35
Prot (kg) -18.38 -0.441 8.11
Fertility Sub Index 8.61
Calving Interval (days) -4.24 -1.459 6.19
Survival (%) 2.17 1.117 2.42
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index 2.50
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 39.83

* Based on an €80/tonne carbon price