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 2.28
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 5.27
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 1.31 1.117 1.46
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.83
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.54 -0.432 0.66
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 18.73

* Based on an €80/tonne carbon price