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 16.78
Milk (kg) -374.00 -0.014 5.24
Fat (kg) -13.49 -0.375 5.05
Prot (kg) -14.70 -0.441 6.49
Fertility Sub Index 6.42
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) 0.61 1.117 0.68
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index 2.83
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -2.29 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 28.33

* Based on an €80/tonne carbon price