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 4.96
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -8.07 -0.375 3.02
Prot (kg) -1.03 -0.441 0.45
Fertility Sub Index 5.80
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.60 1.117 1.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.38
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price