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 10.15
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -11.40 -0.375 4.27
Prot (kg) -8.41 -0.441 3.71
Fertility Sub Index 5.78
Calving Interval (days) -2.65 -1.459 3.87
Survival (%) 1.71 1.117 1.91
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.30
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 7.16 -0.432 -3.09
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price