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 10.48
Milk (kg) -306.00 -0.014 4.28
Fat (kg) -8.95 -0.375 3.35
Prot (kg) -6.45 -0.441 2.85
Fertility Sub Index 6.26
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 1.80 1.117 2.01
Calving Sub Index 3.12
Gestation Length (days) -3.39 -0.919 3.12
Beef Sub Index -1.48
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 20.52

* Based on an €80/tonne carbon price