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 6.44
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -4.56 -0.375 1.71
Prot (kg) -5.54 -0.441 2.45
Fertility Sub Index 6.26
Calving Interval (days) -3.39 -1.459 4.95
Survival (%) 1.18 1.117 1.32
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index 1.90
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 19.71

* Based on an €80/tonne carbon price