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 2.04
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -0.84 -0.375 0.31
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 3.10
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 0.65 1.117 0.73
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.66
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 14.75

* Based on an €80/tonne carbon price