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 13.01
Milk (kg) -245.00 -0.014 3.43
Fat (kg) -12.88 -0.375 4.82
Prot (kg) -10.78 -0.441 4.76
Fertility Sub Index 3.65
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 0.67 1.117 0.75
Calving Sub Index -1.67
Gestation Length (days) 1.82 -0.919 -1.67
Beef Sub Index -1.72
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 16.23

* Based on an €80/tonne carbon price