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 5.36
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -5.00 -0.441 2.21
Fertility Sub Index 7.92
Calving Interval (days) -4.09 -1.459 5.97
Survival (%) 1.75 1.117 1.96
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.26
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 20.59

* Based on an €80/tonne carbon price