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 2.22
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -5.01 -0.375 1.88
Prot (kg) -0.56 -0.441 0.25
Fertility Sub Index 5.80
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.79
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 17.68

* Based on an €80/tonne carbon price