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 6.65
Milk (kg) -368.00 -0.014 5.15
Fat (kg) 1.29 -0.375 -0.48
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index 3.33
Calving Interval (days) -1.06 -1.459 1.55
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.95
Gestation Length (days) -1.03 -0.919 0.95
Beef Sub Index 11.07
Carcass Weight (kg) -27.20 -0.528 14.35
Age of Slaughter (days) 7.60 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index 21.92
Live WT (kg) -71.50 -0.307 21.92
Total Carbon Sub Index 43.92

* Based on an €80/tonne carbon price