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 7.43
Milk (kg) -232.00 -0.014 3.25
Fat (kg) -2.71 -0.375 1.02
Prot (kg) -7.18 -0.441 3.17
Fertility Sub Index 2.12
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 0.55 1.117 0.61
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index -0.53
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 8.71

* Based on an €80/tonne carbon price