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) -155.00 -0.014 2.17
Fat (kg) -5.50 -0.375 2.06
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index 3.85
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index 0.26
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 13.39

* Based on an €80/tonne carbon price