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 2.80
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -4.31 -0.375 1.61
Prot (kg) -0.56 -0.441 0.25
Fertility Sub Index 1.95
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.84 1.117 0.94
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index -0.03
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index 3.36

* Based on an €80/tonne carbon price