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 8.76
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -10.69 -0.375 4.00
Prot (kg) -6.20 -0.441 2.74
Fertility Sub Index 10.01
Calving Interval (days) -5.96 -1.459 8.70
Survival (%) 1.18 1.117 1.32
Calving Sub Index -0.56
Gestation Length (days) 0.61 -0.919 -0.56
Beef Sub Index 1.92
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -2.36 -0.432 1.02
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 20.29

* Based on an €80/tonne carbon price