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 8.81
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -6.87 -0.375 2.57
Prot (kg) -9.15 -0.441 4.04
Fertility Sub Index 9.30
Calving Interval (days) -5.87 -1.459 8.56
Survival (%) 0.66 1.117 0.74
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index -0.50
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index -1.72
Live WT (kg) 5.60 -0.307 -1.72
Total Carbon Sub Index 15.09

* Based on an €80/tonne carbon price