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 4.87
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -2.88 -0.375 1.08
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index 7.50
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 2.05 1.117 2.29
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.78
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 4.73 -0.432 -2.04
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 19.20

* Based on an €80/tonne carbon price