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 15.34
Milk (kg) -320.00 -0.014 4.48
Fat (kg) -13.03 -0.375 4.88
Prot (kg) -13.54 -0.441 5.98
Fertility Sub Index 5.83
Calving Interval (days) -4.97 -1.459 7.25
Survival (%) -1.27 1.117 -1.42
Calving Sub Index -3.45
Gestation Length (days) 3.75 -0.919 -3.45
Beef Sub Index 3.56
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -4.21 -0.432 1.82
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 23.49

* Based on an €80/tonne carbon price