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 2.89
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.70 -0.375 0.64
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 4.19
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 1.57 1.117 1.75
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 0.81
Carcass Weight (kg) -8.60 -0.528 4.54
Age of Slaughter (days) 8.63 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 9.81
Live WT (kg) -32.00 -0.307 9.81
Total Carbon Sub Index 18.40

* Based on an €80/tonne carbon price