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 7.38
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -5.00 -0.441 2.21
Fertility Sub Index 8.25
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 1.65 1.117 1.84
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.79
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.44 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 24.12

* Based on an €80/tonne carbon price