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 -6.08
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) 9.52 -0.375 -3.57
Prot (kg) 5.09 -0.441 -2.25
Fertility Sub Index 5.59
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index -0.05
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 7.25

* Based on an €80/tonne carbon price