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 6.68
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -5.92 -0.441 2.61
Fertility Sub Index 8.65
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 2.64 1.117 2.95
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.60
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 26.25

* Based on an €80/tonne carbon price