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 5.32
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -3.23 -0.375 1.21
Prot (kg) -5.91 -0.441 2.61
Fertility Sub Index 0.97
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) -0.40 1.117 -0.45
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 0.09
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) -0.82 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 7.94

* Based on an €80/tonne carbon price