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 2.78
Milk (kg) -177.00 -0.014 2.48
Fat (kg) 2.41 -0.375 -0.90
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 4.39
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 1.68 1.117 1.88
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index 0.99
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) 8.96 -0.432 -3.87
Maintenance Sub Index Maint. Sub Index 10.61
Live WT (kg) -34.60 -0.307 10.61
Total Carbon Sub Index 19.23

* Based on an €80/tonne carbon price