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 7.93
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -6.02 -0.375 2.25
Prot (kg) -4.84 -0.441 2.14
Fertility Sub Index 5.15
Calving Interval (days) -3.03 -1.459 4.42
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 2.16
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 18.33

* Based on an €80/tonne carbon price