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 3.69
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -2.95 -0.375 1.10
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 9.06
Calving Interval (days) -5.13 -1.459 7.48
Survival (%) 1.41 1.117 1.58
Calving Sub Index 1.16
Gestation Length (days) -1.26 -0.919 1.16
Beef Sub Index 0.82
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 17.64

* Based on an €80/tonne carbon price