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 6.90
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -6.11 -0.375 2.29
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index 3.88
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 0.92
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 14.97

* Based on an €80/tonne carbon price