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 7.63
Milk (kg) -240.00 -0.014 3.36
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -5.68 -0.441 2.51
Fertility Sub Index 7.14
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 2.00 1.117 2.23
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.68
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 23.70

* Based on an €80/tonne carbon price