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 4.56
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -2.71 -0.375 1.02
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 1.85
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 0.64
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 6.68

* Based on an €80/tonne carbon price