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 11.54
Milk (kg) -226.00 -0.014 3.16
Fat (kg) -10.27 -0.375 3.85
Prot (kg) -10.27 -0.441 4.53
Fertility Sub Index 6.94
Calving Interval (days) -4.74 -1.459 6.92
Survival (%) 0.02 1.117 0.02
Calving Sub Index -3.01
Gestation Length (days) 3.27 -0.919 -3.01
Beef Sub Index 4.15
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) -1.67 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 24.50

* Based on an €80/tonne carbon price