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 6.62
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -8.25 -0.375 3.09
Prot (kg) -6.19 -0.441 2.73
Fertility Sub Index 6.47
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 0.79 1.117 0.88
Calving Sub Index -1.01
Gestation Length (days) 1.10 -0.919 -1.01
Beef Sub Index -3.70
Carcass Weight (kg) 6.60 -0.528 -3.48
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 9.14

* Based on an €80/tonne carbon price