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 0.55
Milk (kg) -44.00 -0.014 0.62
Fat (kg) 0.32 -0.375 -0.12
Prot (kg) -0.12 -0.441 0.05
Fertility Sub Index 2.93
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.17
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 12.04

* Based on an €80/tonne carbon price