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 1.89
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -1.18 -0.375 0.44
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index 5.90
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.73 1.117 1.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.17
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 17.05

* Based on an €80/tonne carbon price