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 4.80
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -3.45 -0.375 1.29
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 6.36
Calving Interval (days) -3.18 -1.459 4.64
Survival (%) 1.54 1.117 1.72
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.17
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.27 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 20.95

* Based on an €80/tonne carbon price