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 16.37
Milk (kg) -364.00 -0.014 5.10
Fat (kg) -14.39 -0.375 5.39
Prot (kg) -13.33 -0.441 5.88
Fertility Sub Index 5.59
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 0.92 1.117 1.03
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 0.89
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 25.58

* Based on an €80/tonne carbon price