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 4.32
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -3.95 -0.375 1.48
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 6.51
Calving Interval (days) -3.87 -1.459 5.65
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.21
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 15.04

* Based on an €80/tonne carbon price