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 6.05
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -5.45 -0.375 2.04
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 7.89
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 0.96 1.117 1.07
Calving Sub Index 2.28
Gestation Length (days) -2.48 -0.919 2.28
Beef Sub Index 2.93
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 24.30

* Based on an €80/tonne carbon price