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 5.01
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -5.29 -0.375 1.98
Prot (kg) -4.05 -0.441 1.79
Fertility Sub Index 2.56
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 1.01 1.117 1.13
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index -1.10
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) -0.38 -0.432 0.16
Maintenance Sub Index Maint. Sub Index -3.83
Live WT (kg) 12.50 -0.307 -3.83
Total Carbon Sub Index 3.16

* Based on an €80/tonne carbon price