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 5.96
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -6.18 -0.375 2.31
Prot (kg) -3.65 -0.441 1.61
Fertility Sub Index 3.84
Calving Interval (days) -1.83 -1.459 2.67
Survival (%) 1.05 1.117 1.17
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.87
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 17.91

* Based on an €80/tonne carbon price