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 9.64
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -13.49 -0.375 5.05
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 6.00
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 1.69 1.117 1.89
Calving Sub Index -3.77
Gestation Length (days) 4.10 -0.919 -3.77
Beef Sub Index -1.77
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) -1.40 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 13.42

* Based on an €80/tonne carbon price