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 5.23
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -5.62 -0.375 2.11
Prot (kg) -2.66 -0.441 1.17
Fertility Sub Index 5.85
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 1.83 1.117 2.04
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.80
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 21.59

* Based on an €80/tonne carbon price