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 2.92
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -2.59 -0.375 0.97
Prot (kg) -1.56 -0.441 0.69
Fertility Sub Index 7.61
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 3.18 1.117 3.55
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.25
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 7.36
Live WT (kg) -24.00 -0.307 7.36
Total Carbon Sub Index 23.95

* Based on an €80/tonne carbon price