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 23.99
Milk (kg) -660.00 -0.014 9.24
Fat (kg) -18.09 -0.375 6.78
Prot (kg) -18.07 -0.441 7.98
Fertility Sub Index 6.21
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.45 1.117 0.50
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.81
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 35.15

* Based on an €80/tonne carbon price