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 2.72
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -0.77 -0.375 0.29
Prot (kg) -1.96 -0.441 0.87
Fertility Sub Index 6.13
Calving Interval (days) -2.65 -1.459 3.87
Survival (%) 2.03 1.117 2.27
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.77
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 16.78

* Based on an €80/tonne carbon price