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 0.61
Milk (kg) -35.00 -0.014 0.49
Fat (kg) 0.28 -0.375 -0.10
Prot (kg) -0.51 -0.441 0.23
Fertility Sub Index 4.04
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 1.15 1.117 1.28
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.92
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.07 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 14.71

* Based on an €80/tonne carbon price