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 5.23
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -2.52 -0.375 0.94
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index 3.87
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 1.41
Carcass Weight (kg) -10.00 -0.528 5.28
Age of Slaughter (days) 8.95 -0.432 -3.86
Maintenance Sub Index Maint. Sub Index 10.76
Live WT (kg) -35.10 -0.307 10.76
Total Carbon Sub Index 22.03

* Based on an €80/tonne carbon price