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 7.27
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -7.95 -0.375 2.98
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index -1.09
Calving Interval (days) 1.53 -1.459 -2.23
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.91
Gestation Length (days) 0.99 -0.919 -0.91
Beef Sub Index -1.77
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 6.31 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 8.40

* Based on an €80/tonne carbon price