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 10.29
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -13.65 -0.375 5.11
Prot (kg) -7.79 -0.441 3.44
Fertility Sub Index 2.59
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.96 1.117 1.07
Calving Sub Index -1.87
Gestation Length (days) 2.03 -0.919 -1.87
Beef Sub Index -2.05
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 3.66 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 13.71

* Based on an €80/tonne carbon price