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 9.92
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -6.80 -0.375 2.55
Prot (kg) -11.08 -0.441 4.89
Fertility Sub Index 4.25
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 0.72 1.117 0.80
Calving Sub Index -2.35
Gestation Length (days) 2.56 -0.919 -2.35
Beef Sub Index -1.31
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 15.25

* Based on an €80/tonne carbon price