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 -4.35
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) 11.48 -0.375 -4.30
Prot (kg) -0.61 -0.441 0.27
Fertility Sub Index 13.54
Calving Interval (days) -9.07 -1.459 13.23
Survival (%) 0.27 1.117 0.30
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index 2.84
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 0.51 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 18.61

* Based on an €80/tonne carbon price