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 5.07
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -6.31 -0.375 2.36
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 7.11
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 1.56 1.117 1.74
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.85
Carcass Weight (kg) 6.00 -0.528 -3.17
Age of Slaughter (days) -0.73 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 8.36

* Based on an €80/tonne carbon price